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Nutka1998 [239]
3 years ago
7

About _______ of the pre-urine that is formed by blood passing through the pores in the glomerulus into bowman's capsule is retu

rned to the blood and does not appear in the urine.
Biology
1 answer:
alisha [4.7K]3 years ago
3 0
99% of the tubular fluid is reabsorbed back to the blood stream
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When forests have been cut down, new native trees can be planted

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Venus is sometimes referred to as Earth's twin. Why?
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They are about the same size and have about the same mass.

Explanation:

Basically both planets are about the same size therefore that is why Venus is called Earth's twin.

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2 years ago
WILL GIVE BRAINLIEST!! PLZ HELP ASAP!!
Nutka1998 [239]

Answer:

A) The outcome of the experiment is that accumulated best in section C. This is because 64 fish were in this section which is the largest amount.

B) one variable that was uncontrolled was that fish were not forced to go into a certain section. They had a chance to accumulate by themselves. If this was controlled, fish wouldn’t be able to adjust by themselves, they would be forced in a section they might not accumulate well in. Another uncontrolled variable would be amount of food you give them. This affects the result because if you don’t feed them, they will die. If you feed them too much, they over eat and die. C) The temperature can affect the physiology because if it is too cold for the fish, they will go to another section until they are warm. If it is too hot for the fish, they will go somewhere cooler.

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I explained everything already. Please can I have Brainliest? I spent a long time doing research on this and this took 40 minutes so your welcome lol. I hope this helps you!!(can i have brainliest)❤️❤️

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3 years ago
This organism is multicellular and has a cell wall but no chloroplasts. The organism gets the energy it needs by decomposing org
BartSMP [9]

Answer:

This organism belongs to Kingdom Fungi.

Explanation:

  • Fungi are heterotrophic, spore bearing Eukaryotes.
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Why is ld50 data so useful in dealing with human health and environmental toxins?
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LD50 or TD50: it is the Lethal Dose 50 (to refer to animals), and Toxic Dose 50 (to refer to the human being). To refer to animals is: the dose of a drug, a drug (generally a substance) that kills 50% of a population. To refer to the human being: it is the dose of a drug, a medicine (in general a substance) that produces toxicity to 50% of a population.<span>

<span>Find the LD50, it is very important to determine the dose in which the drug produces toxic effects and thus be able to approach or deduce the effective dose, that in cases of administering a new drug to the human being, it is necessary to find the effective dose 50 (Dose of the drug that produces a therapeutic effect to 50% of the population) in order to determine the Therapeutic Margin or Therapeutic Index.</span></span>
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