2 years ago

Four substances are important for both

Biology

2 answers:

Nitella [24]2 years ago

7 0

Answer:D

Explanation:

Kaylis [27]2 years ago

5 0

Answer: D

Explanation:

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A contraceptive that permanently prevents transport of the sperm or egg to the site of conception is a

scZoUnD [109]

The answer is Surgical Contraceptive Methods e.g. Vasectomy(For males) and Tubectomy(Females)<span>.

</span>Vasectomy:- In this method vas deference is cutted and tied so that sperms can't reach uthera.

Tubectomy:- In this method both fallopian tubes are cut and tied, so that no egg can head towards the site of reproduction(Cervix).

Note:- Both process are irreversible.

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3 years ago

Giving brainliest to the first person who's right please help

Basile [38]

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2 years ago

The largest proportion of the carbon dioxide delivered from peripheral tissues to the lungs is carried in the blood:

Lemur [1.5K]

Answer: The correct answer would be option a.

Explanation:

The hemoglobin in red blood cell has a tendency to bind to oxygen as well carbon dioxide in a reversible manner. It depends upon the partial pressure of the gas.

For example, at tissue site, the concentration of carbon dioxide is higher than oxygen due to which the affinity of hemoglobin increases for carbon dioxide.

In hemoglobin, carbon dioxide reacts with water to form bicarbonate ions and hydrogen ions.

At alveolar site, these ions again convert into carbon dioxide and excrete out of the blood as a part of exhale air.

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2 years ago

Which type of traits are neither dominant nor recessive but are a combined variation of both?

andriy [413]

Codominant traits im pretty sure

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2 years ago

The brown spots on this leaf can be credited to

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I think the answer is nitrogen fixation.