What is formed by the interaction of lightning with oxygen?

What are two processes that must occur to form soil?

How are frogs adapted for terrestrial life? If frogs have lungs, why do they also breathe through the skin?

Can you describe some of the paths carbon takes through the environment?

How would you solve 5x + x - 3x > - 12

Define the following terms: Fossilization Index Fossil Faunal Succession Tar Ice Evolution Variation

What does a cell copy in dna replication?

What happens when the heart muscles are damaged due to lack of blood supply? a. choking b. heart attack c. slurred speech d. stroke

What is the difference between succinate dehydrogenase and other dehydrogenases?

Some plants close their leaves for protection when they touch this is example of which trophism

Which is the most likely outcome of an increased climate temperature? A. Lowering ocean levels B. Unstable weather patterns C. Decreased flooding D. Growth of ice caps