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vladimir2022 [97]
3 years ago
9

On earth, what is the force that causes an object to free fall?

Biology
2 answers:
lana66690 [7]3 years ago
8 0

Answer: Gravity

Explanation:

Gravity is the potent force on Earth's surface that pulls any matter towards the earth by acting on its mass. Hence, objects pulled move with an acceleration due to gravity (g), which has a universal value of 9.8metres per second^2

Neko [114]3 years ago
5 0
The answer would be gravity, gravity is the fore that attracts something towards the center of the earth
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Plant Cell Writing Prompt
jeka94

Answer:

Plant cell

Explanation:

Cell wall: cell wall is only found in plant cell . it is made up of cellulose. it's function is to give shape to the cell and protect the delicate inner parts of the cell. this cell is fully permeable. it means it will allow all substance to pass in. cell membrane is made up of protein and lipids. it's function is to control what comes in and out of the cell. this membrane is selectively permeable. it means it allows some substance to pass in and others don't. cytoplasm is large sac like structure. most chemical process occur here. chromoplast are the green pigments.

cell wall is only found in plant cell . it is absent In animal cell . the neucleus in the plant cell contain a pigments haemoglobin, which contain genetic information to the cell .

3 0
3 years ago
In a chemical analysis of a sample of animal tissue, which element would most likely be found in the smallest quantity?
andreyandreev [35.5K]

Answer:

Iodine

Explanation:

Iodine is needed by animals because the body's metabolic rate is controlled by the action of an iodine hormone, called thyroxine, which is secreted by the thyroid gland in the neck.

If the animal fails to supply enough iodine through food to be able to make a normal amount of this compound, then the thyroid gland enlarges or expands trying to create enough, resulting in a common type of goiter.

8 0
3 years ago
Which geological process directly forms beaches on the shore of a bay?
Andrew [12]

Answer:

erosion, transportation, and deposition.

Explanation:

i took the topic and i remembered. please like and rate my answer. brainleast please?

3 0
3 years ago
During infection, C. diphtheriae expresses a variety of genes that are used to establish infection and cause disease. One of the
galina1969 [7]

Answer:

B. AUU CGC AUC UUG AAC

Explanation:

<em>According to the rule of base pairing in DNA, the pyrimidine bases always pair with purine bases. Specifically, adenine (A) always pair with thymine (T) while Guanine (G) always pair with cytosine (C). In RNA, thymine is replaced by uracil (U).</em>

Hence, TAA GCG TAG AAC TTG  will give

             AUU CGC AUC UUG AAC.

The correct option is B.

3 0
3 years ago
A pulley system has an mechanical advantage of 10. If a mover used this pulley to lift a piano with a force of 1500 N a distance
Jlenok [28]
Answer:
(a) 145 N
(B) 40 N
(c) 10 ropes
Explanation:
Mechanical advantage, where and are input and output force respectively
Since MA is given as 10 and input force is 1450 N

Therefore, the mover must use a force of 145 N
(b)
Since also and the is given as 4 m then

(c)
Literally, we need 10 rope segments to support the piano since we utilize the mechanical advantage
3 0
3 years ago
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