Which of the following is a major contributor to acid rain?

A. burning fossil fuels

B. using solar cells

C. using windmills

D. using nuclear fission

True or false all fungi have chitin in their cell walls

Why do dog have a better sense of smell

What is the term for wrtiting that is based on imagination examples include story's novels and plays

The body region typically referred to as the elbow is anatomically called

Which of the following is true about reproduction in flowering plants? A. All flowering plants undergo asexual reproduction. B. All flowering plants reproduce by producing spores. C. All flowering plants can undergo sexual reproduction. D.

Made when sediments fill in a cavity made when an object decayed and the sediments harden into rock

The lemming is a small mammals with a very high daily energy expenditure for its size. Based on what you learned in the panda case study, what would you predict about the lemming?

You started out as a single cell and are now made of over 200,000 different types of cells. explain how this happens.

why is carbon such an important element in living organisms

Which of these is a fiber - yielding crop?