Change the following data into scientific notation. 0.000 421 g

Why are drinking water supplies still a major concern for many countries?

How do food chains link together to form a food web

Could a cat survive falling out of an apartment building

What is the name of the autobiography that described the sexual exploitation that all too often added to the oppression of slavery for black women; it also provided an early example of black female strength in the face of adversity?

Which of the following is caused by wind erosion? gullies rills topsoil removal beach erosion

Ice wedging is an example of which type of weathering? A) Chemical Weathering B) Surface Weathering C) Mechanical Weathering D) none of the above (It's C)

Which of the following is correctly paired with its function? a) sensory somatic nervous system-controls skeletal muscles b) autonomic nervous system - creates voluntary response to stimuli c) parasympathetic nervous system - controls body response

Which of the following would be true of a plant heterozygous for a single gene controlling flower color? (Assume complete dominance).

How do the population in an ecosystem depend on each other

Which statement describes the formation of our sun? A disk formed of long trails of stars coiled into a spiral. It formed an elliptical flattened disk. Heat and gases contracted within a nebula. Gravity pushed stars away from a center core.