Mutations that neither benefit nor harm the organism have effect on the organism's survival.

Placing a suspect at the scene of a crime is an important element in criminal investigation. This can be achieved through the location of textile fibers similar to those from the victim's clothing or the crime scene on the clothing of the suspect,

What's the difference between nonrenewable and renewable energy sources? Is biomass a renewable energy source?

The wind pushes a paper cup along the sand at a beach. the cup has a mass of 0.025kg and accelerates at a rate of 5m/s2 how much force is the wind exerting on the cup

Which will increase the rate of a chemical reaction?

Metals are malleable and ductile. What do these properties indicate about the bonds that hold metal atoms together?

Which particles make up the nucleus of an atom? protons and electrons neutrons and electrons protons only protons and neutrons neutrons only

An egg is fried is that a physical or a chemical change

How many mono-; di -; and trichloro derivatives are possible for cyclopentane?

A gas occupies 3.60 L when the temperature is 45.0oC and at 1.02 atm of pressure. What temperature change (in K) will be needed to change the volume to 6.25 L at constant pressure?

When did Pangaea begin to break apart? a. 20 million years ago c. 250 million years ago b. 100 million years ago d. 2 billion years ago.