Answer:
melanin affects how one looks (1st question)
cause and effect (2nd question)
Explanation:
for the 2nd question, its cause and effect because uv rays hit our skin and our skin is affected which gives us suntan.
Answer:
The tree main cell components are: plasma membrane, cytoplasm and nucleous
Explanation:
The plasma membrane is the a bilipid membranous layer composed of proteins and carbohydrates.
The cytoplasm is a jelly-like substance composed of mainly water and found between the cell membrane and nucleus.
The nucleous is an organelle which contains genetic information (DNA) on special strands called chromosomes.
Observation the action or process of observing something or someone carefully or in order to gain information:
Answer: past
Explanation: answers show that combonations can develope things
All cells require enzymes<span> to survive and </span>function.Enzymes<span> are catalysts, which means that they make chemical reactions go faster, but are not changed by the reaction.</span>
