Answer:
d
Explanation:
they either gain valence electrons or share them depending on what elements or compound they are reacting with
A diet rich in vegetables and fruits can lower blood pressure such as eating healthy
Explanation:
The answer is H2SO4 for sulphuric acid
They all have the same number of electrons.
Answer:
Modern whales evolved by natural selection over long time periods through descent from common ancestors
Explanation:
According to the evolutionary theory proposed by Darwin, natural selection is a biological process by which organisms adapt and change in response to their environment. In this case, ancient whales that were better suited to environmental conditions survived and produced more offspring than non-adapted individuals. In consequence, predominant adaptive traits observed in modern whales were favored by natural selection in the past, while unsuccessful phenotypes progressively disappeared.
