What do dinosaur and a tree have in common

To be correct a scientific theory must be everything except

Name two structural and two functional properties of proteins

Actually the answer is c: glycogen

Which of the following elements would not be a good conductor of electricity? A) sulfur (#16) B) sodium (#11) C) iron (#26) D) calcium (#20)

I am a photosynthetic plankton. what am I?

3. How big is the Clark Refractor in Arizona?

Radioactive uranium-235 has a half-life of 704 million years. If it was incorporated into dinosaur bones, could it be used to date the dinosaur fossils?

hurricanes can damage or destroy barrier islands. suppose a barrier island that separates an estuary from the ocean was damaged by a storm: how would this affect the estuary

A cell with a chromosome number of four undergoes meiosis what is the result

How does acid precipitation cause chemical weathering?