Answer:
2.62 years
Explanation:
The half life of a material is the time taken for half of the number of radioactive atoms in a radioactive material to remain.
If a radioactive material is cut into pieces, each piece has the same half life as the whole material.
Hence, if Strontium-147 is cut into pieces, each piece will have a half life of 2.62 years, just as the whole material.
Answer:
going under eutrophication process.
Explanation:
Body waters like lakes normally produces or receives some organic wastes, from the same living things of the environment or by pollution. In this example the fertilizers that were dropped into the lake, they have a lot of nitrogen, carbon or phosphorous compounds, that by the passing of the time will be consumed by the living things and elevate the production of zooplankton. with the increase of zooplankton, the population of fish is expected to increase also.
Answer:
B.Scientists are unable to make accurate measurements of gas concentrations in the atmosphere
Explanation:
Answer:
Watch this Video
Explanation:
I took a Screenshot of the video for you