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mart [117]
3 years ago
14

Algae will not reproduce if the sunlight falls below a certain level. Which name is given to the sunlight in this case? A. contr

olling factor B. limiting factor C. ecosystem factor D. reproductive factor
Biology
2 answers:
lyudmila [28]3 years ago
8 0

Answer:

B.

Explanation:

sunlight is the limiting factor

lesya [120]3 years ago
5 0

Answer:

Its C).

Explanation:

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FIND THE INDEPENDENT & DEPENDENT VARIABLE!
Westkost [7]

Answer:

The answer is:

Independent: red meat eaten by a person

Dependent: iron in the blood

Explanation:

A dependent variable has to depend on something else, so in order for a dependent variable to exist or happen, there has to be the independent variable. The independent variable is something that does not need anything else to happen for it to take place. It s independent. Such as, a mother cannot have a child without sperm. The mother have a child is dependent, where the sperm is independent.

8 0
3 years ago
What do you think caused people to accept the heliocentric model of the solar system?
Vlad1618 [11]

Answer: The heliocentric model was generally rejected by the ancient philosophers for three main reasons: If the Earth is rotating about its axis, and orbiting around the Sun, then the Earth must be in motion. ... Hence, the Earth must be stationary.

Explanation:

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3 years ago
Explain the stages involved in testing a piece of onion for reducing sugar​
Gre4nikov [31]

Explanation:

<u>Reducing sugars are simple sugars with the ability to reduce copper (II) ions to copper (I). All monosaccharides (fructose, glucose, galactose) are reducing sugars as are some disaccharides, such as lactose and maltose. Simple sugars are all carbohydrates, and are used by the body as a source of energy.</u>

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3 0
2 years ago
What function do the alveolar sacs serve in the respiratory system?
Brrunno [24]

These alveoli are the smallest types of lung tissue, and one of the most important. In addition to being the primary means by which oxygen enters and carbon dioxide escapes the bloodstream, these small pouches of air are also the reason why the lungs do not totally collapse when a person breathes out. This is because they contain a cell that secretes a special chemical to lower the surface temperature to prevent lung collapse. The alveoli also contain other cells that secrete chemicals to attack and remove any foreign objects in the lungs, such as dust, dirt and other debris.

In addition to making up alveolar sacs, alveoli also form alveolar ducts. It is estimated that there are more than 300 million alveoli in the human lungs, all of which are located in either alveolar ducts or sacs that are found at the end of the smaller passageways, or bronchioles, in the lungs.


SHORT ANSWER:

Alveolar sacs contain tiny pouches called alveoli, whose primary function is gas diffusion. These clusters of alveoli have thin walls that allow oxygen to pass easily from the lungs into the bloodstream and carbon dioxide to flow from the blood to the lungs so it can exit the body.

8 0
3 years ago
In a hydrogen ion pump, the energy is used to join small molecules together to make larger ones. Which factor most likely has th
Dafna1 [17]

Answer:

The amount of energy the flowing H(+) ions have

Explanation:

Hope it helps.

7 0
2 years ago
Read 2 more answers
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