You can carry out a test ,
1- take a sample of the air in a test tube
2-add limewater to the test tube
3- result : if it turns milky/cloudy it has microorganisms
4- reason: because every microorganism respires , and so it produces Carbon dioxide .
and limewater is the test to show the presence of Carbon dioxide .
C. 11 is your answer
1) integumentary
2) muscular
3) skeletal
4) nervous
5) circulatory
6) lymphatic
7) respiartory
8) endocrine
9) urinary/excretory
10) digestive
11) reproductive
hope this helps
Answer:
Gravity, electricity, and magnetism are considered non-contact forces because they do not physically act on objects.
Explanation:
Gravity, magnetism, and electricity all use fields to act on objects without actually touching them. They can all force objects to move without touching them through these fields.
Answer:
D.
holds the bones of the skeleton together
Explanation:
