First one is cell Membrane and the second one is cell Wall
The charge of a proton is always +1
Answer:
Because the scientific knowledge itself helps solve many basic human needs and it also improves how humans live and their standards. For example, without science medications wouldn´t exist and many technological devices we use now-a-days. We´re surrounded by science, we just don´t really notice it.
Answer: Natural selection is the process in nature by which organisms better adapted to their environment tend to survive and reproduce more than those less adapted to their environment. For example, treefrogs are sometimes eaten by snakes and birds.
Explanation:
A composition reaction produces a single substance from multiple reactants. A decomposition reaction produces multiple products from a single reactant.
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