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shepuryov [24]
3 years ago
11

HELP QUICK PLZZZ

Biology
1 answer:
Pavlova-9 [17]3 years ago
6 0

The answer is climate and weather.

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According to the nebular theory, a solar system begins when an interstellar cloud, containing approximately 75% hydrogen, 25% he
azamat

"Gravitational attraction" is initially responsible for the formation of the clumps of matter within this interstellar cloud.

<u>Answer:</u> Option C

<u>Explanation:</u>

About 4.6 billion years ago, the solar systems were a bunch of gases and dusts, referred to solar nebula. Gravity squeezed the material as it started to rotate, creating the sun at the middle of the fog.

The rest of the material began to accumulate with the sunrise. The smaller particles moved together to form larger particles that were connected by gravity. As lumps develop, gravity increases and turns into kinetic energy of moving particles that collide and produce heat.

4 0
3 years ago
In garden peas, the axial (A) flower position is completely dominant to the terminal (a) flower position. You cross a true-breed
xxTIMURxx [149]

Answer:

AA

Explanation:

A true breeding organism for a particular trait is an organism that would produce progeny  with the same trait whe self fertilized.

Hence, since axial flower is represented by the allele A, a true breeding flowering plant will have the genotype AA.

Axial flower (A) is dominant over terminal flower (a).

True-breeding axial flowering plant will have the genotype AA.

True breeding terminal flowering plant will have the genotype aa.

AA is crossed with aa.

AA   x   aa

offspring: Aa, Aa, Aa and Aa.

All the offspring will exhibit axial flowering.

7 0
3 years ago
Breastfed infants typically are resistant to disease because of ________.
DochEvi [55]

Answer:

Passice immunity

Explanation:

Breast milk, produced by female mammals (including humans), besides being rich in fat and protein is full of IgA. IgA is the immunoglobulin (immune system signal proteins) that is present in body secretions, such as milk.

The baby that is fed from the mother's breast ingests these defense proteins that allow it to tolerate different pathogens and toxins.  

It is considered passive immunity, as it does not generate memory and depends on a continuous dose to maintain defense levels.

6 0
3 years ago
Respiration involves a reaction between oxygen and ____.
Elan Coil [88]
The most appropriate answer is D !

in respiration oxygen and glucose( food substance) combines to form energy and CO2 !
7 0
3 years ago
Read 2 more answers
A student is given three organisms that are indentical in compostion and concentration except organism A has cells that constant
Elan Coil [88]

Answer: No answer possible

Explanation: There is no question, and the spelling is careless

3 0
3 years ago
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