Show instructions Question 5
Which of the following is a pure substance that contains only one type of atom?
a
oxygen
trail mix
b
C
chalk
oc
d
hydrogen peroxide

How do ocean currents affect temperature? check all that apply. they carry cold water from the poles to the equator and cool air over land. they flow north and then south below the equator. they flow south and then north above the equator. they move warm water from the equator to the poles and heat air over land. they move east to west and create prevailing winds. they move west to east and create seasonal winds.

Eastern europe and parts of northern europe have which of the following climates?

In the late 1990s, brazil’s poor people protested about crowded cities land distribution mining permits industrial pollution