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Anon25 [30]
2 years ago
9

Can someone PLEASE help I will mark brainlist!

Biology
2 answers:
forsale [732]2 years ago
6 0
D. is a true statement.
Elenna [48]2 years ago
6 0

Answer:

C. Mutations are all permanent. Mutations can occur in many types of cells, and contribute to genetic diversity. Not all mutations are caused by harmful chemicals, as there are many natural mutations in nature. However, mutations are not always passed on from parents to offspring.

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Physical barriers that help prevent an individual from contracting diseases include __________. a. white blood cells, enzymes, t
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Sweat, tears, skin, and mucous membranes are among the physical defenses that keep a person from being sick.

<h3>What causes infectious diseases?</h3>

Coming into contact with a person or an animal who has the virus is one of the most straightforward ways to obtain the most contagious or infectious diseases. Direct contact, such as person-to-person contact, can transfer contagious diseases. Direct transmission of bacteria, viruses, or other germs from one person to another is the primary method by which contagious diseases are typically disseminated. If someone who is unaffected touches, kisses, coughs, sneezes, or has the virus or bacterium on them, this could happen. Additionally, these pathogens can disperse through sexual contact and the exchange of bodily fluids. The person who spreads the infection may only be a carrier and not exhibit any signs of the illness.

To know more about infectious diseases, visit:

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4 0
2 years ago
How do convergent and divergent cause limbs to envole ?
krok68 [10]
Divergent evolution is when two different species share the same ancestral origins but have evolved differently whereas convergent evolution is when species with different ancestral origins have developed similar features.

In convergent evolution, two species that are not necessarily closely related develop similar features often as a result of adaptation to similar conditions.
3 0
3 years ago
Which chemical components may be parts of a molecule of transfer RNA?
Nastasia [14]
I think the answer is B but I could be wronged
7 0
3 years ago
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olga55 [171]
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the force of attraction or repulsion between magnetic poles is called a magnetic domain true or false
satela [25.4K]
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