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Lady bird [3.3K]

3 years ago

14

Question 7 (3 points) Which system is responsible for defending the body against harmful substances? circulatory system muscular

system endocrine system immune system

2 answers:

Mamont248 [21]3 years ago

3 0

Answer:

immune system

Step-by-step explanation:

it helps fight off bacteria and viruses, which are harmful substances.

Ira Lisetskai [31]3 years ago

3 0

Answer:

the immune system? i can explain if needed

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Answer:

Difference between average day temperature and average night temperature = 70°

Step-by-step explanation:

Given;

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Computation:

Difference between average day temperature and average night temperature = Average day temperature - Average night temperature

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