1-
the earth's troposphere is known for being he layer of the atmosphere
select one:
a. that is the highest in elevation above the earth's surface
b. where meteors burn up on their descent
c. that is closest to the earth's surface and contains the weather
d. that contains the ozone layer

as a result of the experiments of lavoisier, you know that in a chemical reaction the mass of the products
select one:
a. cannot be predicted based on the mass of the reactants
b. s less than the mass of the reactants
c. is twice as great as the mass of the reactants
d. always equals the mass of the reactants

this is the site of cellular respiration in all eukaryotes.
select one:
a. lysosomes
b. ribosomes
c. chloroplasts
d. mitochondria

a motor homunculus represents a map of brain areas dedicated to motor processing for different anatomical divisions of the body.

homunculus represents the importance of various parts of your body as seen by your brain. as a result, they take up a lot of brain space. although the cortical homunculus is a curiosity, penfield's work in mapping the brain's relationship to the body was invaluable.

identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.v

c. heat from the poles back down towards the equator.