How many of Earth's plant species are used as agricultural crops?

A)

1,000

B)

3,000

C)

5,000

D)

7,000

E)

9,000

Organic refers to certain agricultural methods that can promote sustainability. if you are eating a certified 100% organic food, you can be confident that it has not been exposed to (check all that apply) :

Why does the loss of deer increase tree populations

If someone told you that 9 out of 10 people used their right hand more than their left, would you think that the characteristic was inherited? Explain why or why not.

What is the upper layer of the rainforest

What is the term for deep cold waters that replace warm surface waters?

What scientist is credited with proposing the principle of uniformitarianism?

When ash, cinders, and bombs build up in a steep pile around a volcano's vent, the result is a a. cinder cone volcano. b. shield volcano. c. composite volcano. d. dormant volcano.

If a person places his or her hand on a hot stove:

What is a short sequence of characters that appears at the end of a filename and is preceded by a period called?

Characteristics that allow neurons to communicate with other body cells include:a) Relaying motor impulses from the cortex to the thalamus. b) Stimulation of "association areas" to analyze information received.