Why do all macromolecules have in common with eachother they all act as catalyst

Why does sound intensity decrease as the distance from the source increases?

Some types of cancers are treated with radiation similar to ultraviolet light. why might it be beneficial to irradiate cancer cells

What type of organism does a bacteriophage attack

What will happen to Earth's Surface when oceanic crust moves under continental crust?

What would happen if photosynthesis on Earth stopped?

What factors determine soil consistence?

What are the levels or organization in biology?

In what grade do you take biology I took it in 6th grade, just wondering

What type of mutations do scientists look for in a molecular clock

What is the Law of Conservation of Energy? Question 10 options: Energy cannot be created, but can be destroyed as it transforms. Energy can be created and destroyed as it converts to other forms.