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oee [108]
3 years ago
10

Help 50 points available

Biology
2 answers:
Zigmanuir [339]3 years ago
6 0

Answer:

C. The farm's marginal cost for fertilizer will increase.

Explanation:

ehidna [41]3 years ago
3 0
Answer: D

Explaining:
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A teacher assigns the following experiment to a class. Draw an outline of a bird's feather, and color one half of the outline wi
liberstina [14]

The correct answer is option (D) Lipid molecules are nonpolar because they repel water molecules, which are polar.

Lipids are organic compounds made up of fatty acids and glycerol. A glycerol is a organic molecule with three hydroxyl groups and a fatty acid consists of a long hydrocarbon chain attached to a carboxyl group.

Lipids are hydrophobic, nonpolar molecules with no charge on their ends. Waxes are long chain nonpolar lipids. The water repelling property of the waxes prevent the water sticking to it and appear as water beads on its surface. The hydrophobic hydrocarbon tail of the fatty acids are hydrophobic in nature making them repel water. The presence of wax on the surface of the plants and animals protects them from dehydration.

Thus, the nonpolar property of lipids make it insoluble in the polar solvents like water as there is no interaction or sharing of electrons between them.

7 0
3 years ago
How does change in each independent variable affect the dependent variable?​
svetlana [45]

Explanation:

although independent variables can stand alone dependent variables rely on the independent variables therefore when you change the independent variables the dependent variables can no longer depend on the independent variables.

7 0
3 years ago
Plant cells contain both chloroplasts and mitochondria; animal cells have only mitochondria. What can be inferred from this stat
Svetlanka [38]

Answer: D. Plants do not eat, so both chloroplasts and mitochondria are needed to make enough energy for plants to grow.  

Explanation: Option A is invalid since plant cells do use ATP. Option B is invalid since animal cells don't make their energy with chloroplasts. Option D is the most realistic one since chloroplasts in the plant are the ones that make the food for the plants, plant doesn't have a "mouth" so they depend on chloroplast to make food.

5 0
3 years ago
Read 2 more answers
Which body system is made up of the heart, veins, and arteries?
Harman [31]

Answer:

The circulatory system

Explanation:

The heart, veins and arteries works together to service the cells of the body

6 0
3 years ago
Read 2 more answers
A population is at the carrying capacity for its environment. What would happen if the carrying capacity suddenly decreased? A.T
butalik [34]
<span>D.The population would decrease.</span>
3 0
3 years ago
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