I think the first one is right !.... but the for the other one it's B .
Answer:
I'm pretty sure the answer is B! Hope this helps:]
The correct answer is option A, that is, placer deposits.
The concentration of heavy deposits known as the placer deposits are produced by the gravitational action, generally found in streams. The minerals that take place as placer deposits comprise copper, gold, magnetite, cassiterite, and copper.
The formation of placer deposits takes place when the metal-bearing rock on land is weathered and the generated debris is washed down to the sea by the rivers. Further by the action of waves, currents, and rides the particles of heavy metal gets amassed to produce mineral sand deposits. These generally occur as beach deposits.
Explanation:
Carrier proteins are proteins that carry substances from one side of a biological membrane to the other.
Answer:
B. Codon
Explanation:
Codon- a sequence of three nucleotides which together form a unit of genetic code in a DNA or RNA molecule
