Answer:
Spread
Explanation:
People use envelopes very often. The germs people carry are put into the envelope and then it's sent out to many others.
Answer:
The small molecules such as water and carbon dioxide can easily or directly pass through the membrane because they are neutral and so small. the movement of water through the membrane is referred to as osmosis. water can also pass through the membrane through channel protiens called aquaporins (AQP).
Explanation:
Answer:
4.22
Explanation:
pH scale ranges from 0-14. 0-7 being the acidic range with 0 being the most acidic, 7 -14 is the basic range with 14 being the most basic.
Explanation:
a sequence of three nucleotides which together form a unit of genetic code in a DNA or RNA molecule.
OmposingFossils in the museums are coated with chemicals to prevent the bones from decomposing.