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kompoz [17]
2 years ago
15

If you get this right I’m giving y’all points

Biology
2 answers:
sergey [27]2 years ago
7 0
A. Distance traveled by the ball because the distance it travels is dependent on the mass of the ball.
artcher [175]2 years ago
5 0

Answer:

c

Explanation:

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Suppose the femur bone of an animal has 1,000 atoms of carbon-14 when the animal dies. How many atoms of carbon 14 will be prese
shtirl [24]

Answer:

After 6000 years, approximately 500 atoms of carbon-14 will be left in the femur bone of an animal which had 1000 atoms of carbon-14 when the animal died.

Explanation:

The half-life of a radioactive isotope of an element is the time taken for half the atoms present in a given amount of the element to undergo decay or disintegration. For example, the half-life of carbon-14 isotope is 5730 years. This means that, if there are 100 atoms of carbon-14 present in a given sample of a material, in the next 5730 years, approximately, 50 atoms of carbon-14 will be left in the material.

Since the half-life of radioactive isotopes are constant, these radioactive isotopes are used in the determining the ages of ancient life-forms as well as rocks.

In the given example, after 6000 years, approximately 500 atoms of carbon-14 will be left in the femur bone of an animal which had 1000 atoms of carbon-14 when the animal died.

8 0
3 years ago
What does excessive algae on water cause?
lubasha [3.4K]

Answer:

Eutrophication

Explanation:

Greek word meaning "well-nourished"

5 0
2 years ago
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What are the economic activities in the Amazon forest
Musya8 [376]

Answer:

A substantial part of the Amazon rainforest economy comes from illegal activities, like drug dealing, biological trade and wood cutting. Most drugs that reach Europe and United States are not farmed in the region, but Amazon rainforest serves as a path to drug dealers to deliver their production

Explanation:

4 0
3 years ago
Which of the following is a fat which thickens when reduced?
const2013 [10]

Answer:

Pectin

Explanation:

6 0
3 years ago
Which layer of Earth has the lowest temperature, is entirely solid, and floats on top of fluid-like matter?
anyanavicka [17]
Crust maybe I'm not for sure.
6 0
3 years ago
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