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babunello [35]
3 years ago
6

PLEASE HELP ME PLEASE AND THANK YOU!!!!!! WILL GIVE THE BRAINLIET IF ANSWER IS CORRECT!!

Biology
1 answer:
Klio2033 [76]3 years ago
8 0

Answer:

The two major components of cell membranes are phospholipids and protein.

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For dating what kinds of Geologic samples containing uranium is 238U most useful? Why?
slavikrds [6]

Answer:

After C14, Uranium238  is most widely used mineral in geological or archaeological dating.

Explanation:

U238 is generally used to date the rock materials, to know the age. As we know the half-life of U238, it is easy to identify the age of the materials containing uranium 238. It can be called as absolute dating method as it determines the exact age of the uranium contained material. It is a type of radiometric dating.

3 0
3 years ago
Please help!!
MariettaO [177]

Answer:

C cascading effect

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i checked all the options of A B C D

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2 years ago
After examining the fossil record, scientists have determined that scorpions today are much smaller than their extinct ancestors
BabaBlast [244]

Answer: C. scorpions have changed as a result of natural selection

Explanation:

The text tells us that scorpions today are now smaller than they were in the past. This means that the scorpions have changed since then i.e. they have evolved.

The primary reason for evolution is natural selection which refers to a situation whereby only the organisms that are better adapted in their species survive.

The conclusion that can be drawn from this research therefore is that we have smaller scorpions today because they stood a better chance of survival than the larger ones and so survived whilst the larger ones died out.

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3 years ago
Scientists can study the human genome using DNA fingerprinting.
Naya [18.7K]

Answer:

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Looking at the phylogenetic tree
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what about the phylogenetic tree?

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