Question 1

What are the four "spheres” of the earth?

Accepted Answer

atmosphere, lithosphere, hydrosphere, biosphere

Answer

Water evaporates or seeps into the ground 
before it reaches crops. 
Southeast Asia

Answer

conservation and avoiding pollution, to restore minerals and keep the soil 
productive

Answer

Central America, northern South America, 
west, central, and southern Africa, Madagascar, India, Southeast Asia

Question 2

What are two ways of managing water?

Accepted Answer

conservation and avoiding pollution

Answer

atmosphere and lithosphere

Answer

hydrosphere and 
biosphere

Answer

to restore minerals and keep the soil 
productive

Question 3

Why do farmers practice crop rotation?

Accepted Answer

to restore minerals and keep the soil productive

Answer

atmosphere, lithosphere, hydrosphere, biosphere

Answer

conservation and avoiding pollution

Answer

Water evaporates or seeps into the ground 
before it reaches crops

Question 4

Why are most irrigation methods inefficient?

Accepted Answer

Water evaporates or seeps into the ground before it reaches crops.

Answer

global warming, ozone depletion, and acid rain

Answer

atmosphere, lithosphere, hydrosphere, 
biosphere

Answer

conservation and avoiding pollution

Question 5

what is an ecosystems?

Accepted Answer

ecosystem is a place where the pants and animals are depending upon one another and their surroundings for survival

Answer

atmosphere, lithosphere, hydrosphere, 
biosphere

Answer

Water evaporates or seeps into the ground 
before it reaches crops.

Answer

global warming, ozone depletion, and acid 
rain

Question 6

In what parts of the world are tropical rain forests located?

Accepted Answer

Central America, northern South America. 
west, central, and southern Africa, Madagascar, India, Southeast Asia

Answer

Australia, New Zealand, Northterne  Europe

Answer

Arabian Peninsular, North Africa,

Answer

Russian, Arabian Peninsular,  Iraq

Question 7

what is crop rotation?

Accepted Answer

varying what is planed in a field

Answer

farming practice followed in dry areas to collect water and bring it to crops

Answer

powerful chemicals that kill crop-destroying insects

Answer

careful use of resources so they are not wasted

Question 8

what is an irrigation?

Accepted Answer

farming practice followed in dry areas to collect water and bring it to crops

Answer

Central America, northern South America, 
west, central, and southern Africa

Answer

careful use of resources so they are not wasted

Answer

place where the pants and animals are depending upon one another and their surroundings for survival

Question 9

what is conservation?

Accepted Answer

careful use of resources so they are not wasted

Answer

Water evaporates or seeps into the ground 
before it reaches crops. 
Southeast Asia

Answer

atmosphere, lithosphere, hydrosphere, 
biosphere

Answer

powerful chemicals that kill crop-destroying insects

Question 10

what is pesticides?

Accepted Answer

powerful chemicals that kill crop-destroying insects

Answer

powerful chemicals that kill crop-destroying insects

Answer

careful use of resources so they are not wasted

Answer

farming practice followed in dry areas to collect water and bring it to crops

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