Which of the following is a compound?

A. water
B. diamond
C. coal
D. mercury


Answer: A

Environmental & Atmospheric Sciences

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Which of the following statements is true about biodiversity?

There are few species left on Earth to discover Biodiversity is evenly distributed across the planet We know why biodiversity increases at lower latitudes The age of an ecosystem can be an indicator of biodiversity

Environmental & Atmospheric Sciences

The individual components of a system are called:

a. natural resources b. variables c. absolute locations d. pictorial models

Environmental & Atmospheric Sciences

When a parachutist falls through the air, as velocity increases the net force

A. increases. B. decreases. C. remains unchanged. D. can not become zero.

Environmental & Atmospheric Sciences

Who proposed the concept of natural selection?

a. James Hutton b. William Smith c. Charles Darwin d. Abraham Werner e. Alfred Wegener

Environmental & Atmospheric Sciences