Answer:
Hydrogen bonds
Explanation:
it should be hydrogen bonds, correct me if I'm wrong
Answer:
Explanation:
they enter a cell through the cell wall
I don't have your lab observations, but I can give you the reason why refraction occurs.
Refraction refers to the bending of light at the interface as it passes through mediums of different densities.
Refraction occurs because light travels at different speeds in mediums with different densities.
Hope this helps!
I would say as many as 500 kinds of corral and I say that because the Great Barrier Reef is one of the biggest reefs
It is mined for minerals (salt, sand, gravel, and some manganese, copper, nickel, iron, and cobaltcan be found in the deep sea) and drilled for crude oil. The ocean plays a critical role in removing carbon from the atmosphere and providing oxygen.
http://marinebio.org/oceans/ocean-resources/