Which is the most accurate statement about ferns?
a. scientists have found several hundred species of ferns.
b. ferns are nonvascular plants.
c. ferns developed after mosses appeared.
d. ferns belong to the same phylum as moss.

Producing disposable grocery bags consumes resources. recycling disposable bags is a solution that can recover some of the resources used to make new bags. which of the following behaviors could further refine the solution? a. disposing of bags by burning them b. reusing bags whenever possible c. using bags at once so that they do not break d. using only nonrenewable materials to make new bags subject is environmental science for apex users

Look at the illustration of four letters from the american manual alphabet. decide whether the description of the letter is a good definition. if not, choose a counterexample. the letter i is formed by sticking up the smallest finger and folding all the other fingers into the palm of your hand with the thumb folded over them while keeping your hand still.

What is the next step in muscle contraction after the actin changes shape?