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3 years ago

People don't die from hiv/aids why do they eventually die?

Biology

2 answers:

Illusion [34]3 years ago

7 0

Because the disease weakens the immune system and kills off its host. that's right!

zmey [24]3 years ago

5 0

Because the disease weakens the immune system and kills off its host.

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7. What causes greenhouse gasses to absorb heat when gasses like oxygen do not?

Scilla [17]

Answer:

Hope the below helps!

Explanation:

Greenhouse gases (such as methane, carbon dioxide etc) have lots of vibrating particles. These molecules eventually release radiation, which travels up Earth's atmosphere (because warm air rises), is trapped and adds to the greenhouse gas effect.

Oxygen and nitrogen don't interfere with infrared waves in the atmosphere. That's because molecules are picky about the range of wavelengths that they interact with.

I have attached a diagram that shows the greenhouse effect. It might help to visualise this.

3 0

2 years ago

Read 2 more answers

Somebody please help me.<br>anyone with the right answer will get brainliest

Marta_Voda [28]

Answer: CRH - ACTH - glucocorticoid

6 0

3 years ago

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If you cut a tree trunk into pieces, the resulting pieces and dust add up to the same mass as the original trunk. This is a demo

Alik [6]

Answer:

The law of conservation of mass

Explanation:

The Law of Conservation of Mass dates from Antoine Lavoisier's 1789 discovery that mass is neither created nor destroyed in chemical reactions. In other words, the mass of any one element at the beginning of a reaction will equal the mass of that element at the end of the reaction.

3 0

3 years ago

Which two atoms form a covalent bond?

LenKa [72]

Answer:

Explanation:

5 0

2 years ago

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Suppose that in unicorns, two autosomal loci interact to determine the type of tail. One locus controls whether a tail is presen

Nina [5.8K]

Explanation:

As you can see in the picture below, this is a dihybrid cross with a twist.

We can accomplish that mutually parentages are heterozygotes for both characters because the genotypes are

9 unicorns with curly tails (shown in green)

3 with straight tails (shown in red)

3 curly tales trait carriers with no tail (shown in dark blue)

1 straight tail trait carriers with no tail ( shown in light blue)

If this was an ordinary case of the dihybrid cross, we would get a 9:3:3:1 phenotype ratio.

However, since the first trait, the presence of the tail, is affecting the other trait, the trait texture, the ratio is altered.

$\frac{1}{4}$ of the offspring (genotypes tt C_ and tt SS) has no tail, therefore we cannot observe the texture of the tail (some of the tailless individuals have Curly alleles -blue squares marked with green, some of them have Straight alleles -blue square marked with red ).

Therefore, the altered ratio is $\frac{1}{2}$ curly tails, $\frac{1}{4}$ straight tales, $\frac{1}{4}$ tailless

6 0

3 years ago