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Setler79 [48]
3 years ago
7

Why can't we use seawater to irrigate our crops?

Biology
1 answer:
hichkok12 [17]3 years ago
8 0
The salt in the water will dry out the plants leaving the plants more in need of water than before.
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What organ in your body produces bile?
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The Gallbladder stores bile that is produced in the liver
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Which two factors of a molecule determine whether or not it can cross the membrane? A. Color and weight B. Shape and texture C.
myrzilka [38]
D. Polarity and size. 
<span>The size, polarity, and charge of a substance will determine whether or not the substance can cross the cell membrane by diffusion. The cholesterol was an example of a lipid, and is highly soluble in the nonpolar environment of the lipid bilayer. You saw, in the animation above, the cholesterol freely passing into the hydrophobic environment of the membrane. Cholesterol distributes freely in the membrane and then some fraction will dissolve in the aqueous environment of the cytoplasm. Water, on the other hand, while polar, is small enough to cross the membrane at a slow rate. Note that specialized transport proteins in certain cell membranes can provide a channel for the water, greatly increasing its rate of crossing the membrane. The lipid bilayer is much less permeable to the ion, because of its charge and larger size. As a general rule, charged molecules are much less permeable to the lipid bilayer.</span>
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Mitral valve prolapse severe enough to cause regurgitation may directly cause _________________ pressure in the ____________ atr
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3 years ago
One theory of human evolution suggests that Homo erectus evolved directly into Homo sapiens (humans), after which point Homo ere
Reptile [31]

Answer:

The correct answer will be option-C.

Explanation:

The evolution of human species in which one species transformed into another species evolves by a mechanism known as anagenesis.

Anagenesis is the mechanism of evolution which transform one species into a different species within a lineage. This process is slow and takes time to form species, therefore, is also known as gradualism or phyletic transformation.

The<em> Homo sapiens</em> evolved from<em> Homo erectus </em>where<em> Homo sapiens </em>overwrites the ancestral species and caused the species to become  extinct.

Thus, Option-C is the correct answer.

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Which color and wavelength of light does chlorophyll b absorb best?
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D

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About 660 nm and orangish-red

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