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Nata [24]
3 years ago
10

All of these ___ help to block, trap or flush pathogens out of the body.

Biology
1 answer:
Licemer1 [7]3 years ago
6 0

Answer:

natural barriers

Explanation:

skin, mucous membrane, tears, earwax, muscus, stomach acid

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A student's grade goes from a 95 to a 65 in 3 weeks. Calculate
steposvetlana [31]

-10grade/week

Explanation:

Given parameters:

Initial grade = 95grade

Final grade = 65grade

Time = 3weeks

Unknown parameter:

Rate of change of grade = ?

Solution:

Rate is defined as the change of a quantity with time.

 Rate of change of grade  = \frac{Final grade - Initial grade}{Time}

Rate of change of grade  = \frac{65 - 95}{3} = \frac{-30}{3}

Rate of change of grade = -10grade/week

The rate of change of the student's grade is -10grade/week. It implies that the grade of the student reduces by 10unit per week.

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D; because the cells dna is not in the nucleus

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I think it's Anthozoa?
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