A blue whale makes a call underwater at the same time as an elephant calls on land. How long will it take each of these sounds to travel 3 km

Bacteria double every generation. if one bacterium is in first generation, how many bacterium will there be in the sixth generation

What is the purpose of the seed coat in plants?

Which type of immunization injects a form of the pathogen into your body so that your body creates its own antibodies? A. Active B. Passive C. Instant

Is the measure of how bright a star would be if it were located at a standard distance from Earth.

What if humans could reproduce through mitosis instead of using meiosis? What would children look like if parents reproduced using mitosis? Would there be any pitfalls in a population of humans if mitosis were the primary method for reproduction?

What kind of cleavage do humans (and other vertebrates) have?

Which pair of substances can be classified as inorganic

If nondisjunction occurs and and an individual survives which disorder can occur

In what order do the stages of prenatal development occur?

What happen to carbohydrate molecules inside a cell?