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DiKsa [7]
3 years ago
8

REALLY EASY!!! JUSUT CAN'T CHOOSE !!!! WILL GIVE BRAINLIEST!!!! AT LEAST TAKE A LOOK!!! ANSWER IF 100% SURE THO!!!

Biology
1 answer:
yulyashka [42]3 years ago
5 0
B. It was an explanation for how the earth originated.
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If an animal fossil was found in a rock, what would be the best way to determine its absolute age?
LiRa [457]

Answer:

D

Explanation:

Absolute age is defined as the numeric age of fossils.

To identify the absolute age of a fossil,  the amount of certain radioactive elements in the rock are measured. When fossils are formed in the rocks, a small amounts of radioactive elements is included in it. The process to identify age of fossil using radioactive elements is known radiometric dating. So, radioactive isotope and its decay product gives absolute age of fossils.

Hence, the correct answer is "D".

3 0
2 years ago
Where may untreated human waste be dumped overboard while on inland waters?
nirvana33 [79]
According to the law, untreated human waste must never be dumped overboard while on inland water; it is legal to do such a thing. Untreated human waste must be stored in a reservoir. It can then be disposed at the appropriate sewage disposal  point on land.
4 0
3 years ago
Match each structure on the left with the corresponding function on the right. Group of answer choices Chemically digests food,
Ad libitum [116K]

Answer:

1. Chemically digests food, absorbs nutrients and minerals from food - Small intestine

2. Breaks down and physically digests food - Stomach

3. Metabolizes nutrients, detoxifies blood, makes bile - Liver

4. Stores and concentrates bile - Gallbladder

5. Removes waste products and excess fluid - Kidney

6. Filtering structure of kidney - Nephron

7. Produces eggs and reproductive hormones - Ovary

8. Produces sperm and reproductive hormone - Testis

Explanation:

This question is asking to correctly match certain digestive organs with their respective function. The organs and their function are as follows:

- Small intestine: Small intestine is the major organ that digests food chemically, and also absorbs nutrients and minerals from food.

- Stomach: This breaks down and physically digests food.

- Liver is responsible for metabolizing nutrients, detoxification of blood, and making of bile.

- Gall bladder is a greenish yellow organ responsible for the storage and concentration of the bile produced by the liver.

- Kidney is the major excretory organ of the body, which removes waste products and excess fluid from the body.

- Nephrons are numerous filtering structure of the kidney.

- Ovary is the female reproductive organ that produces the eggs/ova and other reproductive hormone like oestrogen.

- Testis is the male reproductive organ that produces the sperm and other reproductive hormone like testosterone etc.

7 0
3 years ago
As matter and energy move from grasses to coyotes the amount of available energy...
Vitek1552 [10]
The answer to your question is C
8 0
3 years ago
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Should existing structures build from CCA-treated wood be removed?
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<span>Chromated copper arsenate, or CCA, is a pesticide that has been used for years in pressure-treating lumber to prevent destruction from rot and insects. Arsenic, a toxic chemical, can leach from this treated wood, leaving residues on the wood’s surface and in nearby soil. Young children who play on or near decks or playscapes made from CCA- treated wood can get arsenic on their skin and into their bodies, especially if they eat or drink without washing their hands. Because of the health risks of long-term exposure to arsenic, the Environmental Protection Agency (EPA) has announced that as of December 31, 2003, arsenic Currently the EPA does not recommend that people remove existing structures made with CCA-treated wood or the soil surrounding those structures. However, they do recommend that people reduce their potential exposure to arsenic.</span>
5 0
3 years ago
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