Which activity produces the smallest amount of greenhouse gases?

a.

driving a car

b.

riding a bicycle

c.

cooking with gas

d.

operating a generator

What is the third phase of mitosis

What would happen if the sun stopped producing energy?

About 75 percent of earth surface is covered by

How does mitosis in plant cells differ from that in animal cells? A. Plant cells lack spindle fibers. B. Plant cells lack centrosomes. C. Animal cells lack cytokinesis. D. Animal cells lack a cell plate.

9. Cnidarians such as jellyfish have radial symmetry. How are the body parts of cnidarians arranged? as two separate halves like spokes on a wheel like layers in a stack as segments in a row

What do viruses have to support the idea that they are living?

Suppose a population of rabbits is introduced to an environment that has hot summers and extremely cold winters. Every winter, many rabbits die because of the cold and the lack of food. The rabbits have a range of ear sizes.

True or false: when individuals of a parent species are separated geographically, one population of separated individuals is more likely to acquire neutral mutations than the other.

What society needs were addressed by science in the ancient world?

Should the FDA should give Aquabounty permission to grow and sell transgenic salmon? Why or why not?