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frutty [35]
3 years ago
9

How big was the astroid that hit the earth

Biology
2 answers:
konstantin123 [22]3 years ago
6 0

Answer:

It was 11 to 81 kilometers (6.8 to 50.3 miles) in diameter

Explanation:

brainliest???

astra-53 [7]3 years ago
5 0

an asteroid roughly 10 km (6 miles) across hit Earth about 65 million years ago. This impact made a huge explosion and a crater about 180 km (roughly 110 miles) across.

                                              pls give brainliest if this helped :)

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Will give brainliest to first correct answer.
ddd [48]
Antibiotic resistance happens naturally due to genetic mutation through random selection, however, genetic drift occurs on purpose and tests which genes are stronger and should continue to be passed on to future generations. In most cases, genetic drift is needed and antibiotic resistance isn’t.
5 0
4 years ago
Read 2 more answers
Dog breeders have a purebred black male dog and a purebred white female dog of the same breed. When they bred these two dogs, al
sladkih [1.3K]
D. Dominant

It is dominant as...
The white coat alleles are recessive, meaning the black coat would most likely be dominant alleles. Assuming the black coated dog had the alleles of BB, and the white coated dog had the alleles ww, there would be a 100% chance that the offspring would have Bw alleles, where the black coat is dominant, "all the offspring were black". 
B = Black, W = White
      B    B
w   Bw  Bw
w   Bw  Bw
The diagram above shows that the offspring would be 100% black coated.

Not sure if you wanted an explanation, but I tried.
3 0
4 years ago
Science a:Class B;kingdom c:order or d:phylum​
dusya [7]

Answer:

A. Class

Explanation:

Kingdom can be answered but the most specific is class

6 0
3 years ago
What happens when dilute acid is dropped onto carbonates?
rodikova [14]
Carbonates + acid ----> water + salt + carbon dioxide
5 0
4 years ago
All variations within organisms can be explained by the known principles of genetics. True or False
Fynjy0 [20]

Answer:

The statement is true.

Explanation:

Genetics is responsible for studying the way in which the characteristics of living organisms, whether morphological, physiological, biochemical or behavioral, are transmitted, generated and expressed, from one generation to another, under different environmental conditions, that is, try to explain how the characteristics of living beings are inherited and modified, which can be in shape (the height of a plant, the color of its seeds, the shape of the flower...), physiological (for example, the constitution of certain protein that performs a specific function within the body of an animal), and even behavior (in the form of courtship before mating in certain groups of birds, or the way of mating of mammals, among others). In this way, the principles of genetics tries to study how these characteristics pass to generation after generation, and why, in turn, they vary generation after other.

8 0
4 years ago
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