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Margaret [11]
3 years ago
9

The problem that scientist had with seafloor spreading is what

Biology
1 answer:
raketka [301]3 years ago
4 0

When new oceanic crust is made, it spreads out, taking up space. Scientists did not understand how new crust was not increasing the size of Earth.

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Researchers have created a robot that has a very thin leg that is moved by cardiac (heart) cells contracting in unison. The robo
Lady bird [3.3K]

Answer:

Tissue

Explanation:

A cell is a structure formed during the evolution which contained all the molecules and favourable conditions required to survive and therefore acts as the functional and structural unit of life.

In evolution, more than one cell aggregated together to form a structure which could perform much complex function than a single cell called tissue as they are programmed to perform the same function.

In the given question, since the heart cells worked together to cause movement in the robot therefore the cardiac cells formed cardiac tissue or heart.

Thus, the tissue is the correct answer.

4 0
3 years ago
Which is a process involved in the formation of sedimentary rock?
Brilliant_brown [7]
COMPACTION.

Sedimentary rock is a rock formed by layers of sediments settling down together forming one solid rock.


Hope it helped,

Happy homework/ study/ exam!
8 0
3 years ago
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Are reactants in the process of cell reception
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Oxygen and glucose are both reactants in the process of cellular respiration. The main product of cellular respiration is ATP; waste products include carbon dioxide and water.Yes.

6 0
3 years ago
Which stament describes what happend to elements during radioactive decay?
maw [93]

In alpha decay, the nucleus loses two protons. In beta decay, the nucleus either loses a proton or gains a proton. In gamma decay, no change in proton number occurs, so the atom does not become a different element. ... If it loses two protons through alpha decay, it will have 82 protons

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3 years ago
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a _____________ is the of a chromosome pair that attaches to a fiber stretching across the cell during cell division.
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Answer:

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3 years ago
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