Which of the following is not a way in which trees benefit the environment?

a.

they remove a significant amount of carbon dioxide from the atmosphere.

b.

they remove a significant amount of oxygen from the atmosphere.

c.

their roots hold soil in place, reducing rates of erosion.

d.

they remove ozone and particulates from the atmosphere.

You are working in the lab and are working with the same element but with varying isotopes of the element. you are working with c-11, c-13, c-14, and c-15. what is the average atomic mass of this element? (use periodic table) a- 12 b-15 c-14 d-13

Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.

Which of the following is an example of competition a. the leaves of a tree prevent a small shrub from getting sunlight. three species of birds feed a different heights in the same tree. b. three species of birds feed at different heights in the same tree c. zebra and giraffe’s feed on different grassland plants d. cats living in two different homes eat the same brand of cat food.