abbeyseiberling abbeyseiberling

01-06-2017
Social Studies

contestada

Scientists determined the historic levels of carbon dioxide in the Earth’s atmosphere by _____.

1. testing air bubbles in Antarctic ice

2. testing soil samples all over the world

3. evaluating tree ring growth

4. mapping the growth of redwood trees

Respuesta :

nicasivantniknik229 nicasivantniknik229

01-06-2017

I would say choice one, testing air bubbles in antarctic ice.

Answer Link

Otras preguntas

Simplify 2 to the 5th over 3 squared all raised to the 4th power. (A. 2 to the 20th over 3 to the 8th) (B.2 to the 9th over 3 to the 8th) ( C.8 to the 5th over

A good way of creating exlanded noun phrases is to follow this pattern.The adjective noun with adjective noun.Try creating some expanded noun phrases with word:

in the diary of anne Frank,what is edith Frank character traits.use examples to prove your answer.focus on act 1 and act 2.describe how did she make a change

Event A has a 0.3 probability of occuring and event B has a 0.4 probability of occuring. A and B are independent events. What is the probability that either A o

It's hard to see but here it is. I have the passage and the questions in the next picture

There are 40 girls in the class. The ratio of girls to boys is 2 to 5. How many boys are in the club?

Can someone please help me with the meaning of the two similes in stolen rivers

Tanida wants to buy a new circular rug for her rectangular bedroom. The area of her room is 120 ft. The radius of the rug is 5ft. Does Tanida have enough space

The big bang theory has finally answered one of the biggest questions of science—the origin of the universe is it true or false?

Which fault in southern california was created by the sliding of the pacific plate past the north american plate??