What are different kinds of living organisms that are thought to have developed and diversified from earlier forms during the history of the earth

What is histamine and what is its role in allergic reactions

Nitrofurantoin used during the fifth week of pregnancy places the neonate at risk for which condition?

Which describes how weathering and erosion are different? weathering is caused by water. erosion is caused by wind and ice. erosion transports sediments. weathering is a natural process.