People and the Plant - Lyn Sirota (Part A)

There are (a)   billion people living on the Earth. (number)

With 1.4 billion people, which country is the most densely populated.

• USA

• China

• Vietnam

• Russia

What are signs of Climate Change?

• Global sea levels are rising & more land is green

• Glaciers are retreating & the dolphins are becoming extinct

• Ocean water is more acidic & there are more cities

• Oceans are warming & global temperatures are rising

Soil and rock that is frozen all year round is called (a)   .

Which are not created by higher temperatures & less summer moisture?

• drought

• insect infestation

• earthquakes

• wildfire

The melting ice is not only a habitat for animals but also a ..............

• reflective surface

• nice landscape

• cold environment

• solid foundation

Co2, and other gases in the atmosphere (a)   heat, keeping the Earth warm. (1 word)

Which word in bold is "an oxide containing two atoms of oxygen in the molecule"

• sulfur

• hydrocarbon

• dioxide

• gaseous

What is the 1st sphere outside of the ozone layer?

• Troposhere

• Exosphere

• Stratosphere

• Thermosphere

Acid rain comes back down to earth by...........(think for yourself)

• precipitation

• evaportation

• condensation

• pollination