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aleksley [76]
3 years ago
12

Which of the following is likely to be found in placer deposit

Biology
1 answer:
il63 [147K]3 years ago
7 0
Black sand is typically found in them
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Conservation biologists provide strong arguments about why we should all care about preserving biodiversity. When considering th
bezimeni [28]

Answer:Increase in ambient global temperatures.

Recyling energy to be used again

Regulation of oxygen and carbon dioxide levels

An increase of erosion and siltation along waterways

Explanation:

Conservational biologists think about the preservation of ecosystem by maintaining the environment in a human control way.

Increase in ambient global temperatures.: The humans must prevent the increase in global temperature worldwide by preventing the rise of greenhouse gases which can lead to global warming worldwide.

Recyling energy to be used again: The sources of energy like wood, waste water can be recycled again for reutilization.

Regulation of oxygen and carbon dioxide levels.: The oxygen and carbon dioxide levels must be regulated. As oxygen is the basic requirement for respiration. The increase in carbon dioxide levels due to human activities is likely to cause respiratory diseases and health hazards in living beings.

An increase of erosion and siltation along waterways.: The erosion and siltation will likely to deposit nutrients and debris which may either contaminate the waterway or may cause eutrophication.

5 0
3 years ago
A scientist has a very small sample of DNA. To analyze the DNA, which would be the MOST USEFUL first step for the scientist to f
UNO [17]
Pretty sure C
A. Doesn’t make sense bc restriction enzymes cleave dna into fragments
B. PCR is used to identify organisms that are difficult to culture
D. Once again restriction enzymes just cut the dna up
6 0
3 years ago
The production of pink flowered plants from a cross between a red flowered plant and a white flowered plant is an example of​
Anika [276]

Answer:

Artifical Selection OR Cross Pollination

Explanation:

If white roses and red roses are cross-bred by scientists, it would be artifical selection. If they were crossed in nature, it is called crossed pollination.

6 0
3 years ago
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Why does meiosis produce cells with half the chromosomes
ZanzabumX [31]
<span>A gamete needs only half the number of chromosomes because two gametes join together hope his helps you

</span>
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3 years ago
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Please and thank you help me
Ipatiy [6.2K]
1. Small Intestines
2.Vitamins
Sorry i don’t know the others
5 0
2 years ago
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