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Zinaida [17]
3 years ago
14

PLEASE HELP 15 POINTS AND A BRAINLY TO RIGHT ANSWER!

Biology
2 answers:
Sati [7]3 years ago
3 0
<span>D) Vaccines allow for building immunity without harmful exposure because not all viruses are safe to be exposed to.</span>
Ugo [173]3 years ago
3 0
The answer is D. Anyone can get chicken pox. Even healthy kids. The vaccine is simply there to help you build an immunity. It isn't a 100% all for all, everything doesn't always work. The vaccine is the most direct route though and has proven itself to work the majority of the time. Hope this helps, and if your feeling generous please  give a rate thanks and brainliest because I only need two more to reach virtuoso and I would greatly appreciate ;)
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What is the answer to this question?"explain two difficulties an ecologist might have in counting a population of migratory bird
dimulka [17.4K]
<span>It may be difficult for ecologists to determine the size of a bird population if that population migrates to different locations throughout the year. During migration, some birds may split off from the group and not return, others may die, and still others may join. Therefore, the bird population will be in constant flux. It is hard to know, when the birds return to their prior location, if the population consists of the same group of birds (in addition to deaths and births) or whether it has grown or shrank through other means. However, to estimate the size, an ecologist can track a migratory flock through several years, counting each year to get a general sense of the population size. Additionally, given one measurement, an ecologist could consider the average lifespan and birth rates of the population to extrapolate the size of the population in subsequent years.</span>
6 0
3 years ago
What roles do coralline and calcareous algae play in reefs formation??
borishaifa [10]
Coralline and calcareous algae build-ups are very essential for the development of coral reefs. In addition, when these coralline and calcareous algae tends to "stick" on landforms below the ocean surface, and as these life forms grows and continuously expands, they now form what we call "reefs."
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4 years ago
Human activity has a great impact on the quantity and quality of local water supplies. Humans can try to increase awareness and
kondaur [170]

Answer:so wrong of you some people ACTUALLY need the answer ... the answer is A

Explanation:

3 0
4 years ago
3. Algae makes energy-rich carbon compounds through
Thepotemich [5.8K]

A complementary process in nature either adds (options 3, 6, and 7) or removes ( options 4 and 5) carbon dioxide from the atmosphere.

<h3>Complementary processes and it's benefits</h3>

The processes that leads to the addition of carbondioxide back to the atmosphere include the following:

  • The eruption of volcanoes.

  • Cellular respiration carried out by organisms to release energy from food molecules.

  • The use of gasoline to power cars

The processes that leads to the removal of carbondioxide from the atmosphere include:

  • The production of energy-rich carbon compounds through photosynthesis.

  • The dissolution of carbondioxide in rainwater.

Learn more about photosynthesis here:

brainly.com/question/19160081

5 0
2 years ago
marrisa and seaan are in the process of adopting a baby. One of the documents the adoptionsgency provides is a full medical hist
choli [55]

Answer:

The father's medical history is a record of the diseases and health conditions of the Father. The Father and child are family members who share genes.

Explanations:

They may also have some health conditions in common.

8 0
3 years ago
Read 2 more answers
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