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kondaur [170]
3 years ago
10

Answer is you brainiest - not joking.

Biology
1 answer:
Yuri [45]3 years ago
3 0

Answer:

A

Explanation:

Without organizing you can go on with the next steps since data alone is worthless but information (organized data) is the most important thing for a scientific investigation.

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Who disproved the concept that the deep sea is simply a dark and lifeless abyss?
Dahasolnce [82]
Its none of them The person who actually disporved it was Charles Wyville Thompson
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3 years ago
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Organisms that can't make their own food are know as (blank) and may be (blank) eating autotrophs (blank) eating other heterotro
77julia77 [94]

Answer:

organisms that can't make their own food are known as heterotrophs

8 0
3 years ago
Which of the following is true of the blood-brain barrier? a. The barrier is formed by cells that line the capillaries of the br
grin007 [14]

Answer:

The barrier functions to regulate the chemical composition of the extracellular fluid surrounding the brain cells.

Explanation:

Blood-brain barrier

It is a very selective semipermeable membrane , hence allow some specific substance to pass via it . This barrier separates the  extracellular fluid in the central nervous system  and the circulating blood from the brain .

<u>The barrier is composed of the endothelial cells .</u>

Passive diffusion is shown in this system , and allows molecules like the water , glucose , amino acid to pass .

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6 0
3 years ago
List the different forms of potential and kinetic<br> energy.
mart [117]

Answer:

answer is below :)

Explanation:

types of potential energy:              

-Gravitational potential energy.

-Elastic potential energy.

-Nuclear energy.

-Chemical energy.

- electric potential energy

types of kinetic energy:

-Flying Airplane.

-Walking & Running.

-Cycling.

-Rollercoasters.

-Cricket Ball.

-Skateboarding.

6 0
3 years ago
"What are the bacteria living in the ocean that do the nitrogen fixation, and were the first photosynthesizers on Earth providin
Bogdan [553]

Answer:

Cyanobacteria

Explanation:

Cyanobacteria were the first photosynthetic autotrophs that used water molecules as the source of electrons. Cyanobacteria were the first autotrophs that performed oxygenic photosynthesis and carried out the splitting of water.  

The process of splitting water released oxygen as a gas (O2) which was released in the atmosphere of the earth as a by-product. This led to the accumulation of oxygen in the atmosphere. Some cyanobacteria can fix nitrogen and have specialized cells called heterocyst which serve as the site for nitrogen fixation.  

7 0
3 years ago
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