PLEASE HELP SCIENCE
How many degrees(F) do some scientists believe that global temperatures have risen by over the past hundred years?

a. Approxinately .8 degrees
b. Approximately 1.5 degrees
c. Approximately 2 degrees
d. Approximately 3 degrees
Question 2 (1 point)
Whiich of the following is the MOST likely ENVIRONMENTAL consequence of Climate Change?
a. People will migrate from areas suffering drought
b. Crop yields will increase for all major world crops
c. Increasing extreme weather around the world
d. Crop yields will decrease for all major world crops
Question 3 (1 point)
Which of the following HUMAN activities does not affect global warming directly?

a. Release of greenhouse gases
b. Use of aerosols
c. Growing wheat
d. Carbon emissions
Question 4 (1 point)
What is predicted to happen to sea levels as global temperatures rise?
a. Enhanced greenhouse effect
b. Polar ice will freeze in the winter and melt in the Summer
c. Increased methane formation on farm lands
d. Coastal areas such as Florida will flood.
Question 5 (1 point)
Which of the following is an ECONOMIC consequence of climate change?

a. Less fresh water will be available.
b. Crops could be wiped out in low lying areas suffering from flooding
c. Increased flooding events may cause water borne infectious diseases to spread
Question 6 (1 point)
_ How does the greenhouse effect work?

a. The oceans absorb the gases which make the temperature rise.
b. The gases directly warm oceans and cause extreme weather.
c. The gases reflect the sun’s energy, causing a warming earth.
d. The gases absorb energy, acting like a blanket that warms the earth.
Question 7 (1 point)
_ Weather can be a whereby climate can be .

a. Specific event/ daily weather.
b. daily temperature/ air quality.
c. Daily precipitation/ average annual precipitation