Which of the following is an example of stored energy? Select all that apply. *
A.a gallon of gasoline
B.water flowing downhill
C.a car battery
D.a lake at the top of a hill
E.a spinning top
Answer:
C
Explanation:
List at least three types of residential waste that can pollute a watershed.
Answer:
FertlizersMotor oil Plastic bags.
The landform pictured above is _____, which has formed out of _____ and _____.
O A. a glacier, snow; ice
B. a glacier; ocean water, snow
O C. a mountain; snow; ice
OD. an iceberg; ocean water, snow
Answer: a glacier; snow; ice
Explanation:
Just did it and it was right
A. 25%
B. 50%
C. 75%
D. 100%
Answer:
A
Explanation:
Because there 4squares and theres 1 recessive, recessive are represented with lowercase
how is soil formed step by step
Answer:
Bedrock, Parent Material, Subsoil, Surface, Organic
Explanation:
If you want more in depth use this answer:
First, soil starts as rock. Then, bigger rocks get broken down into smaller pieces of rock. After that, this does not become dirt, it starts to form soil. Last, all decaying plants and animals will mix with the rocks and form soil.
which are responses to internal stumuli?
Answer:
Sweating shivering goosebumps etc
Explanation:
sweating, shivering, goosebumps, feeling sleepy, feeling awake, or a fight or flight response. The body can respond to internal stimuli by vomiting, making you feel hungry or thirsty, and increasing your temperature, among other ways.
answer :The body can respond to external stimuli in many ways including sweating, shivering, goosebumps, feeling sleepy, feeling awake, or a fight or flight response. The body can respond to internal stimuli by vomiting, making you feel hungry or thirsty, and increasing your temperature, among other ways.er:
Explanation:
Please help me, thank you!
Gene: is a unit of heredity which is transferred from a parent to offspring and is held to determine some characteristic of the offspring. An example is hair or eye color
Allele: is different forms of a gene. An example would be how tall or short.
Homozygous: is two alleles that are the same trait. An example would be two alleles for straight hair.
Heterozygous: is two different traits like one for staright and one for curly hair.
Dominant: is the stronger form of an allele. Like the grey fur is the stronger one
Recessive: is the weaker form of an allele. Like white hair is the least likely.
Pheneotype: is the physical apperance.
Genotype is the genetic makeup of an organism.
how did darwin’s theory of evolution change the way biologists thought about classification categories
Answer:
hhh3h3h3hgegegegegeggegsgsggs
y
Explanation:
hhhhhhshshshshhdhdhdhghdhgd
The minimum amount of muscles needed to move a joint is ______.
A. 4
B. 3
C. 2
D. 1
Answer:
C. 2 one muscle contracts while the other muscle relaxes and becomes longer
Explanation:
hope this helps :))
The minimum amount of muscles needed to move a joint is 2. Thus, the correct option is C.
What are Muscles?Muscles may be defined as the bundles of fibrous tissue in animals including humans which consist of long cells that contract when stimulated and induce movements.
Muscles play numerous roles such as maintaining the overall posture of the body, moving the skeleton, storing nutrients, providing stability, assisting respiration and digestion, etc.
A joint is migrated with the cooperation of two muscles in such a way that one provokes the contraction while the other induces relaxation at the same time. This simultaneous activity of both two muscles is responsible for the proper migration of joints.
Therefore, the minimum amount of muscles needed to move a joint is 2. Thus, the correct option is C.
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PLEASE HELP!!!!
Look at the diagram below that shows the connection between the circulatory and the respiratory systems. Use the diagram to explain why pulse and breathing rates change when you exercise.
Answer:
during exercise there is an increase in physical activity and the muscle cells respire more than they do when the body is at rest
Explanation:
the heart rate increases during exercise as well as the rate of breathing, this makes sure that more oxygen is absorbed into the blood and more carbon dioxide is removed from it
Sara's mother gets a flat tire on her car while driving Sara to school. They use a jack to
change the flat tire. It exerts a force of 5,000 newtons to lift the car 0.25 meters. How much
work is done by the jack? Use commas as appropriate.
Answer:
1250Joules
Explanation:
The parameters given are:
Force=5,000N
Distance= 0.25m
Work done by the Jack=
force×distance
= 5,000×0.25
=1250joules
Therefore, the Workdone by the Jack is 1250Joules
Even though living things are made of carbon, carbon dioxide is poisonous to everything but plants. TRUE OR FALSE ?
Answer:
True, if inhaled in great amounts by other organisms
Explanation:
plants convert carbon dioxide into oxygen.
How does the removal of the top predator in the food chain described affect other organisms?
The frog population will increase
The frog population will decrease
There will be no effect on the frog populaiton.
The number of grasshoppers will increase
Answer:
The frog population will increase
Explanation:
The frog population will increase because if the top predators in the food chain described affect the frog organisms that will increase
What is the best definition of a chromosome? Based on the picture provided above :)
Answer:
d.
Explanation:
A chromosome is a strand of DNA that is encoded with genes. In most cells, humans have 22 pairs of these chromosomes plus the two sex chromosomes (XX in females and XY in males) for a total of 46. The word chromosome was originally coined in German from the Greek words khroma, meaning color, and soma meaning body.
In which motions are the distance and the displacement the same?
A. A dog chases its tail in a circle four times
B. A bird flies from its nest to the ground and back to its nest.
C. A worm moves 5 cm along a straight crack in a sidewalk.
D. A fish swims all the way across a pond and then halfway back.
Answer: A. A dog chases its tail in a circle four times.
Explanation:
Distance can be defined as a scalar quantity. It describes how much area the object covers during its motion. Displacement can be defined as the vector quantity. It refers to the fact that how far an object is from a place. It describes the overall change in the position of the object.
A dog makes a circle four times chasing the tail thus its direction will remain the same. Its position will remain the same after motion, thus no displacement will occur. The dog is making a circle on the same place while chasing the tail hence the distance covered will become equal to the net displacement.
burning fossil fuels, it makes the Earth colder.
What percent of the atmosphere is carbon dioxide?
A.4%
B.0.4%
C.40%
D.0.04%
Answer:
B i took the test
Explanation:
Answer: D
Explanation: Only 0.04% of the atmosphere is carbon dioxide.
1. What is a pathogen?
How do root hair cells obtain a supply of sugars?
Answer:
Root hair cells are adapted for taking up water and mineral ions by having a large surface area to increase the rate of absorption.
Explanation:
Root hair cells absorb water and minerals from the soil and get a supply of glucose from the phloem.
Phloem:
It is a vascular tissue that transports the nutrients such as sugar throughout the plant.
The sugar is produced in the leaf by the process of photosynthesis. This sugar is transferred to the phloem tissue. Then sugar is transported to the other part of plants such as stem and root.
Therefore, hair root cells get a constant supply of sugar from the leaves via the phloem.
To know more about Phloem,
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Which of the following symbiotic relationships is considered parasitic?
A. Tapeworm in an intestinal tract
B. Bees transporting pollen from flowers
C. Pilot fish swimming under sharks
D. Birds eating the insects from the back of a hippopotamus
Answer:
A. Tapeworm in an intestinal tract.
Explanation:
This symbiotic relationship is parasitic because the tapeworm causes harm to the host. Tapeworms feed off the nutrients the host consumes, thus making the host sick.
Not parasitic:
Bees transport pollen from flowers back to the nest to feed the young bees, but pollinate female flowers as well which keeps the flower population alive.
Pilot fish swim under sharks to keep other prey from eating them, and the shark do not eat eat the pilot fish.
Birds eating the insect of the back of a hippopotamus keep the hippo clean and parasite-free as well as feeding the birds.
The presence of tapeworm in intestinal tract is considered parasitic. Thus, the correct option is A.
Symbiotic relationships refers to the association between two two organisms belonging to different species. There are three types of symbiotic relationships which are mutualism, commensalism and parasitism.
In mutualism, both of the organisms involved are benefited from the relation.
In commensalism, one of the organisms involved is benefited and the other is neither benefited nor harmed from the association.
In parasitism, one of the organisms involved is benefitted and the other one is harmed from the association.
As in the relationship between tapeworm and human, tapeworm is benefited but the human involved is harmed. Thus, it is a parasitic relation.
Thus, the correct option is A.
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Two separate species of squirrels have evolved after being separated by the Colorado River's erosion of the Grand Canyon. What type of speciation has occurred here?
A. Allopatric Speciation
B. Sympatic Speciation
C. Disruptive Selection
D. Group Behavior
Answer:
Option A
Explanation:
In this case the two species of squirrels have evolved when their combined population got divided into parts and was separated as a cause of natural calamity i.e Colorado River's erosion of the Grand Canyon, thereby forced to live in two different geographies and hence evolve differently from each other. The two geographies mentioned above remain disconnected by any natural barrier thereby restricting successful mating of the two population groups of squirrels.
hence, option A is correct
Answer:
Allopatric Speciation is Correct for all future users.
Explanation:
Which organisms create all usable food energy on Earth?
consumers
decomposers
heterotrophs
producers
Answer:
Hey!
Your answer is C.PRODUCERS!
Explanation:
These such organisms *such as the Apple Tree* are able to produce food via many alternative sources like from the energy of the Sun, C02, water and minerals that they absorb from the ground through the roots...
This energy is usable as an energy source!
HOPE THIS HELPS!!
A. 0%
B. 25%
C. 50%
D 75%
Answer:
A. 0%
Explanation:
None of the offspring are predicted to be YY (homozygous dominant)
Answer:
0%
Explanation:
The definition of homozygous dominant means:
Homozygous: both alleles have to be identical
Dominant: the gene that overrides the recessive gene, indicated by a capital letter when using a Punnet Square.
Thus, we are looking for both completely identical dominant gene, and as you can see, it does not appear in the Punnet Square. The only identical gene would be the two homozygous recessive alleles, but none of which have capital letters (none are dominant); henceforth, 0% of the offspring are predicted to be homozygous dominant.
Many scientists would argue that the reproductive system is the most important system in the body. Which of these would best defend that thought?
A) without the reproductive system, a species would not be able to survive
Eliminate
B) the reproductive system is necessary to maintain a strong skeletal system
C) the reproductive system must help filter wastes so the body can remain healthy
D) without the reproductive system, a body would be unable to transport oxygen to all of the cells in the body
Answer:
b is correct
Explanation:
Answer:
A
Explanation:
we make babies with the reproductive system
How many different species are there?kings and kigdoms
Answer:
2 and 100 million
Because of the difficulties with both defining and tallying the total numbers of different species in the world, it is estimated that there are anywhere between 2 and 100 million different species.
Molecules that contain carbon are known to be ______________ molecules.
Answer:
organic molecules
Explanation:
organic molecule is composition of carbon atoms and hydrogen atoms.
in chemistry we study about an organic chemistry where we mainly study about the carbon and hydrogen.
how is volume meausred
Answer: Volume is measured in cubic meters or cm
Explanation: In the International System of Units (SI), the standard unit of volume is the cubic meter (m3). The metric system also includes the liter (L) as a unit of volume, where one liter is the volume of a 10-centimeter cube. Thus 1 liter = (10 cm)3 = 1000 cubic centimeters = 0.001 cubic meters, so.
Answer:
Volume can be measured in many ways. It can be found in a cube by length*width*height. It can be found in a cylinder by doing pi*radius^2*height. For a sphere it can be found by using (4 × π × r^3)/3. It can be found in a cone by doing (π × r^2 × h)/3. In a pyramid you can use (B × h)/3.
Explanation:
!PLEASE HELP!
One type of bioremediation uses ____ to break down wastes and pollutants into less harmful material.
a. bacteria
b. vaccines
c. pasteurization
d. fission
It is best to say that most human sources of air pollution result from _______.
Answer:
burning of fossil fuels
Explanation:
hope this helps :)
Germination will not happen unless a seed
A. is dispersed far from the plant that produced it.
B. absorbs water.
C. uses its stored food.
D. grows stamens and a pistil.
The high temperature on Friday was 8 degrees above zero. The low temperature was 3 degrees below zero. Which expression gives the average of the low and high temperatures?
a
Left-bracket negative 3 + (negative 8) right-bracket divided by (2) Right-bracket
b
(negative 3 + 8) divided by 2
c
(negative 3 + 8) divided by (negative 2)
d
Negative (3 + 8) divided by 2
Answer:
B
Explanation:
The negative goes by the 3 because it is 3 degrees below zero. To find averages, you add the numbers and divide by how many numbers there are. in this case, it would be (-3+8)/2
