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Rudiy27
3 years ago
7

Which of these is a large reservoir of nitrogen that is unusable by most organisms?

Biology
2 answers:
marin [14]3 years ago
7 0
Outer space
MARK ME BRAINLEST
Monica [59]3 years ago
4 0
Probably outer space Bc there is no oxygen and so nitrogen wouldn’t do them any good if u don’t have oxygen
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A student conducts an experiment to determine how the amount of water given to a plant affects its growth. What is the independe
lorasvet [3.4K]

Answer: a. the amount of water

Independent variable can be defined as a variable which can be changed or manipulated in an experimental set up to record and observe it's effect on the dependent variable. A dependent variable is a variable which is dependent on the independent variable. The outcome of the dependent variable is the result of the experiment. A controlled variable is a variable which does not change in a reaction, and kept as a constant.

1. Here, in the given situation, the amount of water is an independent variable, as it can be manipulated or change in an experiment and it's impact on the growth of plant, which is a dependent variable needs to be observed.

2.Here, in the given, situation, the type of plant is a constant or control variable, as it is irrespective of the changes that occur in the dependent variable with respect to the independent variable.

7 0
3 years ago
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Which of the following describes how polluted water sources would most likely affect one’s personal health?. Answer. Bacteria wo
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"Pathogens would invade the body and cause disease, such as giardia" is the one among the following choices given in the question that <span>describes how polluted water sources would most likely affect one’s personal health. The correct option among all the options that are given in the question is the last option or the fourth option.</span>
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3 years ago
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The type of bond that joins monosaccharides and is easily digested by enzymes in the human intestine is a __________. delta bond
timurjin [86]

Answer: alpha bond

Explanation:

The carbohydrates popularly called sugars are energy nutrients formed by carbon, hydrogen and oxygen atoms. It is the main energy source of the man and also has a structural or plastic role (formation of parts of cells such as the cell wall, or tissues, such as the exoskeleton chitin of the insects and crustaceans - crab). The small intestine's main mission is to complete the digestion of the chyme. In its passage through the duodenum, it suffers the action of pancreatic and intestinal juices and bile. In fact, it is in the duodenum that most digestive secretions are produced. The foods complexes are thus transformed into simple elements, easily assimilable by the body.

Enzymes are protein catalysts responsible for most of the chemical reactions of the organism, is found in all tissues. Amylase acts in the intestine hydrolyzing glucose polymers (starch, amylopectin, and glycogen). The bonds that hold the monosaccharides together and which are easily digested by pancreatic amylase in the intestine are known as alpha bonds. Some examples of sugars that have alpha bonds are sucrose, maltose, and starch.

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3 years ago
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. As arteries extend outward they decrease in thickness until they turn into microscopic vessels known as_ ((frog dissection))
sveticcg [70]

ANSWER: The correct answer is CAPILLARIES

EXPLANATION: Arteries are the muscular wall tube that carries oxygenated blood from the heart to other part of the body. The arteries extend outward from the heart, and form capillaries.

The capillaries are hairlike thinnest blood vessels, that helps to join the arteries and ventricles together. The blood in the arteries extends to the capillaries of the organs where the blood is supplied, and then moves out to from the organ via the ventricles.

The capillary starts from the part of the arteries that are very thin.

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4 years ago
Living organisms must constantly take in energy in order to power functions necessary to remain alive. the chemical reaction tha
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Respiration ~~~~~~~~
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