People and the Plant - Lyn Sirota (Part A)

There are ________ 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 _________.

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 _______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