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kakasveta [241]
3 years ago
9

Question 18 OT 25

Biology
2 answers:
vova2212 [387]3 years ago
8 0

Answer:

A. It is too dangerous to observe directly.

Hope this helps! :D

Scorpion4ik [409]3 years ago
8 0
Scientists use a model because the continents move to slow to observe directly. The continents move about 2in per year along plate boundaries. That 2 inch movement is too small to be observed directly that’s why we use technology in order to measure the movement
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Answer:

Enzymes bind with chemical reactants called substrates. ... In others, two substrates may come together to create one larger molecule. Two reactants might also enter a reaction, both become modified, and leave the reaction as two products. The enzyme's active site binds to the substrate.

7 0
3 years ago
Which of the following is a community?
lukranit [14]

Answer:

B. All of the fish, bacteria, and mammals that live in a lake

Explanation:

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4 0
3 years ago
What system consists of the region where life exsists and extends from the depths of the oceans to the summit of the mountains?
kodGreya [7K]
The biosphere (from Greek βίος bíos "life" and σφαῖρα sphaira "sphere") also known as the ecosphere (from Greek οἶκος oîkos"environment" and σφαῖρα), is the worldwide sum of all ecosystems. It can also be termed the zone of life on Earth, a closed system (apart from solar and cosmic radiation and heat from the interior of the Earth), and largely self-regulating.[1] By the most general biophysiological definition, the biosphere is the global ecological system integrating all living beings and their relationships, including their interaction with the elements of the lithosphere, geosphere, hydrosphere, and atmosphere. The biosphere is postulated to have evolved, beginning with a process of biopoiesis (life created naturally from non-living matter, such as simple organic compounds) or biogenesis (life created from living matter), at least some 3.5 billion years ago.[2][3]

In a general sense, biospheres are any closed, self-regulating systems containing ecosystems. This includes artificial biospheres such as Biosphere 2 and BIOS-3, and potentially ones on other planets or moons.

biosphere life exsists and extends from the depths of the oceans to the summit of the mountains
8 0
4 years ago
Read 2 more answers
Order these levels of hierarchy from smallest to largest.
mash [69]

Answer: (Smallest = left) (Largest = right)

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4 0
3 years ago
Pls help with this question (I will mark brainliest)
WITCHER [35]

Answer:

C. Physical, protein

Explanation:

I so sorry if I'm wrong

8 0
3 years ago
Read 2 more answers
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