Which method of moving materials in and out of the cell requires energy.

active transport

passive transport

osmosis

diffusion

What do floating objects have in common

A fatty acid completely filled by hydrogen with all carbons in the chain linked by single bonds is known as a a. saturated fatty acid. b. unsaturated fatty acid. c. monounsaturated fatty acid. d. linoleic acid.

When burning petrol in motor vehicles two gases form which contribute to acid rain. what are the two gases?

How can you write c6h12o6 in the simplest form that illustrates the proportion of elements in monosaccharides?

A group of things that together form a whole is called a

Which subatomic particle is the lightest? (a) neutron (b) proton (c) electron (d) all of the above (obviously not the last one, I guess)

How do you figure out the number of protons in a element

What are Photosyntheis? . how plants make their food . how aminal hurt . how plant get water . how rain is made

Why do scientists measure and record mass instead of weight

How to make fluffy slime without contact solution?