Question 1(multiple choice worth 4 points) (02.03 lc) a scientist studied four rock fossils that show evolution of the modern-day horse dating back to 35 million years, 15 million years, 8 million years, and 1 million years ago. which rock fossil is most similar to the modern-day horse? 35 million years 15 million years 8 million years 1 million years

The correct answer is 1 millon years.

Explanation:

Fossil rocks serve to study the evolution of species throughout history. Species usually adapt to survive the changing environment around them. Given this fact, we can deduce that the oldest species were very different from the way they are today. This means that the current species are more similar to those that preceded them more recently. The fossil of 1 million years ago is the most similar to today's horse.

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sure what is it? ^w^

atomic mass = 39

number of neutrons = 20

number of protons= 19

electronic configuration = 1s2 2s2 2p6 3s2 3p6 4s1

the number of electron in first shell = 2

number of electrons in n=3 shell = 8