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sergejj [24]
3 years ago
14

Which statement describes a self-feeder

Biology
2 answers:
pishuonlain [190]3 years ago
8 0

Answer: B; A bacterium gets nutrients from other organisms

Explanation:

Aleks [24]3 years ago
7 0

Answer:

C. An oak tree takes in energy from sunlight

Explanation:

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<span>10% </span>

These light and heat energy are then used for photosynthesis and other cell processes.

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Insides chloroplasts, there are  found structures called thylakoids also known as grana or stroma. It is these thylakoids that contain chlorophyll, the green pigment that helps capture light energy from the sun which provides the fuel to run the first stage of photosynthesis.

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Rank the following elements by increasing atomic radius carbon aluminum oxygen potassium
Vlada [557]

Answer:

The elements in increasing order of atomic radius: oxygen, carbon, aluminum, potassium

Explanation:

The distance from the center of the nucleus to the outermost shell of the electron is known as the atomic radius of an element. The atomic radius decreases rightward along each period (row) of the table due to the increase in effective nuclear charge (the charge of the nucleus equal to the number of protons). Across a period, electrons are added to the same energy level and the increasing number of protons causes the nucleus to exert more pull on these electrons, which makes the atomic radius smaller.  Atomic radius increases down each group (column) of the periodic table because of the addition of electrons to higher energy levels, which are further away from the nucleus and the pull of nucleus weakens. Another reason for the increase in atomic radius is the electron shielding effect, which is the reduction of the attractive force between a nucleus and its outer electrons due to the blocking effect of inner electrons

While moving from left to right in the second period, c arbon comes before  oxygen  and so oxygen will have a smaller atomic radius than  carbon. While moving down the periodic table, al uminum comes before  potassium even if they are not in the same period. So aluminum 's atomic radius will be smaller than that of  potassium  but bigger than that of  carbon  and  oxygen.

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4 0
3 years ago
Can u guys help me with this bio question
Citrus2011 [14]

Answer:

I believe the answer is D

Explanation:

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Before atp is split into adp and pi, it holds what type of energy?
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It intially will be holding chemical energy (used in chemical processes). After it divides into adp and pi they'll be holding kinetic energy.


Hope it helped,


BioTeacher101

3 0
3 years ago
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