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lapo4ka [179]
3 years ago
9

Description of what is an ecosystem

Biology
1 answer:
shtirl [24]3 years ago
8 0
A biological community of interacting organisms and their physical environment.
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What is molecular polarity
krek1111 [17]

Answer:

The electron density of a polar bond accumulates towards one end of the bond, causing that end to carry a slight negative charge and the other end a slight positive charge. Likewise molecules in which there is an accumulation of electron density at one end of the molecule, giving that end a partial negative charge and the other a partial positive charge, are called polar molecules.

6 0
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What do crops of the green revolution need in order to produce higher yields?
Airida [17]

Answer:

These crops where improved  with technology, production of high-yielding variety, and improve farm practices. All these ensured  the crops of green revolution had increase yield.

Explanation:

Through  genetic engineering, high-yielding variety of cereals e.g wheat, maize, rice, were genetically engineered so that certain features which enhanced increased productivity were selected for.

Use of fertilization, the adoption of mechanization,good cropping and farming system are other factors which enhanced yield of these crops. Specifically, these crops were modified to enhance their Nitrogen uptake, which promotes rapid growths.

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3 years ago
Which terms are used for gametes that are needed for reproduction in vertebrate animals? A. sperm and eggs B. antibodies and pat
Monica [59]
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3 0
3 years ago
Someone pls help me!
dexar [7]

Answer:

Cell membranes are semi-permeable, which works like a sieve that determines what enters and leaves the cells.

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It is semi-permeable and it allows molecules to diffuse inside.

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2 years ago
What causes an H2O molecule to stick to another H2O molecule?
irina [24]

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In the case of water, hydrogen bonds form between neighboring hydrogen and oxygen atoms of adjacent water molecules. The attraction between individual water molecules creates a bond known as a hydrogen bond. ... Both of these atoms can form a hydrogen bond with oxygen atoms of different water molecules.

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