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Pepsi [2]
3 years ago
15

9 Light cannot escape the intense gravitational pull of a

Biology
1 answer:
icang [17]3 years ago
5 0
I think it’s black hole
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There are approximately 1 million ants for every how many people on the planet?
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3 years ago
Which shot angle rarely results in a clean kill, ruins a lot of meat, and provides an animal the best opportunity to detect the
iogann1982 [59]

Answer:

The correct answer is option d) "head-on".

Explanation:

In hunting, the head-on angle refers to a position at which the hunter and the prey are face to face. This shot angle rarely results in a clean kill, ruins a lot of meat, and provides an animal the best opportunity to detect the hunter as the animal is in front of the hunter. At the head-on angle it is harder for the hunter to kill an animal with the first shot and ruins a lot of meat because the animal produces hormones such as adrenaline result of the stress.

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3 years ago
Primary succession would occur in which one of the following
GrogVix [38]

Answer:

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Explanation:

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8 0
3 years ago
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What word or phrase would be most appropriate opposite "commensalism" under "organism 2"?
Minchanka [31]
Answer;
The best phrase will be; 
<span>Neither benefits nor is harmed
</span>
Explanation; 
Commensalism is a type of relationship where organisms of two species in which one species obtains food or other benefits from the other without harming it. 
Commensal is the organism that benefits from the relationship or association. 
5 0
2 years ago
The following are the steps for B-cell activation. The steps are in an incorrect order.
Nataly_w [17]

Answer:

4. B cells become activated by interacting with helper T cells.  

1. B cells display antigens in MHC class II receptors on the cell surface.  

2. Antibodies released by plasma cells bind to the antigen so they will be destroyed by other cells of the immune system.

3.B cells rearrange their DNA to create a unique B-cell receptor.  

5. B cells undergo clonal expansion.

6. B cells digest antigens that bind to the antibodies on their surface.

Explanation:

B-cells get activated by interacting with helper T cells when they bind to the antigen to receptors i.e (MHC class II receptors on the cell surface) on the surface of the cell. Series of activities such as release by plasma cells which cause rearrangement of B cells causes the cell to divide and proliferate. The process through which daughter cells arise from a parent cell called clonal expansion.

4 0
3 years ago
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