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Nadya [2.5K]
2 years ago
8

Why might an individual with AIDS have difficulty fighting off otherwise harmless infections?​

Biology
1 answer:
Fynjy0 [20]2 years ago
5 0

Answer:

Having HIV/AIDS weakens your body's immune system. It destroys the white blood cells that fight infection. This puts you at risk for opportunistic infections (OIs). OIs are serious infections that take advantage of your weak immune system.

Explanation:

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Which is a correct statement of Newton's second law?
SSSSS [86.1K]

Answer:

When an object experiences a net force, it will accelerate at a rate determined by its mass

Explanation:

A body at rest is considered to have a zero speed, so any force causing the body to move is an unbalanced force and any force causing the body to slow down is also an unbalanced force. An unbalanced force cause acceleration or deceleration i.e a change in speed

4 0
3 years ago
Identify how the physical barriers of the the immune system protect the body against pathogens
BabaBlast [244]

Answer:

They help to stop harmful germs from entering the body

Explanation:

  • The skin can prevent bacteria and microorganisms from entering the body (unless it is damaged)
  • Mucous membranes line the mouth and nose and are coated with secretions that fight microorganisms and harmful bacteria
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3 years ago
PLSSS HELP GIVING BRAINLIEST
andrew11 [14]

Answer:

A and B are your answers

Explanation:

7 0
3 years ago
Vitamins a and c, thiamin, calcium, and magnesium are considered _____.
tatyana61 [14]
Answer : micronutrients
8 0
3 years ago
Tom and Jerry start at the same location. Tom is travelling due east at a velocity of 5 m/hr. Jerry is travelling due northwest
Sedaia [141]

Answer:

The distance between them is changing at the speed of 10.16 m/hr

Explanation:

Consider the sketch attached below.

The question is simply asking to calculate the resultant of the two velocities.

To get the angle between them, we simply use the coordinates of the two vectors to determine the angle between them.  

90 + 45 = 135°

from the cosine rule we have

c^{2} = a^{2} + b^{2} - 2abcosθ

c^{2} = 6^{2} +5^{2} - 2 ×6×5×cos 135

c^{2} = 103.426

c = \sqrt{103.426}

c = 10.17 m/hr

6 0
3 years ago
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