If a crystal of potassium permanganate?

Explain how ancient whale fossils found in eqypt are believed to support the theory of evolution.

What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above