How many of the known minerals found in the Earth's crust are impure? (mixed with something else)

a) None of them

b) All of them

In complete sentences describe the atmosphere of early earth.

Which is rhe best analogy of a wave

For sediment to be transformed into rock, which set of processes must take place?

Question 1 What is used to classify the layers of the atmosphere? A Differences among temperature altitude, and weather B Differences among altitude, wind speed, and weather C Differences among temperature, air pressure, and density D How far away

What do all cellular activities in living organisms use as a source of energy? A.) ATP B.) lactic acid C.) pyruvic acid D.) glucose

Which component is affected when a catalyst is added to a chemical reaction? o the amount of substrate O the activation energy O the amount of product the concentration of reactants

What is the more powerful evolutionary force? A. Genetic Drift B. Mutations C. Natural Selection

Describe how a cross between two closely related organisms may result in genetic problems.

What is the defferent between asepsis and antisepses

The reasoning behind ABC cost allocation is that products consume activities and activities consume resources. true or false