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Sophie [7]
4 years ago
13

The complement system is a ___ barrier of the immune system

Biology
2 answers:
m_a_m_a [10]4 years ago
8 0
Biochemical- apart of the second defense system
schepotkina [342]4 years ago
6 0

Answer:

biological

Explanation:

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What is the force of an object that needs a force 4500N to accelerate it at a rate of 5 m/s
babunello [35]

Answer:

The question is somehow not correct, it suppose to be what is the MASS of an object that needs a force 4500N to accelerate it at a rate of 5 m/s as gotten from another website.

The correct answer is 900kg.

Explanation:

To get the mass of the object use the formula

F=Ma

Where F is force

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a is acceleration.

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Mass is in kg

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