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Ber [7]
3 years ago
8

Using a broom to clean sidewalks and driveways is a way to reduce water pollution

Biology
2 answers:
zvonat [6]3 years ago
6 0

Answer:

true

Explanation:

h

yulyashka [42]3 years ago
5 0
This can be possible because we no longer need to use a large hose and spray water on the roads and let the dirty water drain away back into seas and rivers and create water pollution. However, this methods requires a large amount of labor and time.
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All these belong to the second line of defense except
babunello [35]

Answer:

Option D, Gastric Juices

Explanation:

The second line of defense is a non specific defense mechanism in which no specific individual is targeted but all invaders are killed in general way. Some common mode of second line of defense are - Phagocytic cells (white blood cells), inflammatory responses, macrophage system etc. The second line of defense comes into action when the invader has surpassed the first line of defense which include either physical barrier like skin, mucous membrane, hair, cilia etc. or chemical barriers like gastric juices, saliva, Hyaluronic acid etc.

Hence, gastric juice does not belong to second line of defense.

Thus, option D is correct.

6 0
3 years ago
What percentage of genetic material is the same in everyone?
nika2105 [10]
The answer is 99.9 percent.
8 0
3 years ago
One important event of prophase is that the chromosomes ___ and become _____
stiks02 [169]
The answers are: condense; visible

Explanation:

In Prophase I, the chromosomes condense and become visible.
7 0
2 years ago
Adenosine triphosphate (ATP), is often referred to as the energy currency of the cell. Wich of the following cellular processes
klasskru [66]

Answer:

4

Explanation:

3 0
3 years ago
State one way the white blood cells protect the body from foreign microbes
ollegr [7]
 <span>Phagocytosis of the microbes that enter the body or tissues. Also lymphocytes build specific antibodies against microbes.</span>
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