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Sati [7]
3 years ago
10

The immune system relies on defensive white blood cells called

Biology
1 answer:
lyudmila [28]3 years ago
3 0

Answer:

I think it is A. Antibodies

Please tell me if I am wrong

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Eye color , hair color , and skin color often vary from person to person and even witch in family , one explanation is that
sp2606 [1]

Answer:

Explanation:

The color of our hair, skin, and eyes is determined by the same thing: the amount of pigment they have. The pigment that causes dark hair, skin, and eyes is called melanin. Melanin is made in special cells in the body called melanocytes.

3 0
2 years ago
Which option best describes genes?
lions [1.4K]

Answer: I think it‘s 1, it just makes more sense. Sorry if I am wrong but hope this helps anyone.

8 0
3 years ago
Read 2 more answers
According to Piaget, children have acquired the cognitive skill of conservation when they're able to
Solnce55 [7]

Answer:

The right answer is D: realize that the term heavy describes an object one way and the term big describes it another way.

Explanation:

The studies of Piaget suggested that when a child is born, his brain if of a very basic kind of structure. He did not agree with the idea that intelligence is a pre-determined trait and in contrast he said that during the process of child's growth and development, when the interaction with environment occurs, his cognitive abilities also grow.

When the child is able to realize that term heavy describes an object one way and the term big describes it another way, that is the point when , children have acquired the cognitive skill of conservation.

Hope it help!


3 0
3 years ago
Who is the first person to trace the characteristics of successive generations of a living thing?
sattari [20]
Gregor Mendel..hope this helps
4 0
4 years ago
Explain how the insecticide could kill the owls but not the grass hopper or mice
ASHA 777 [7]

Answer:

The insecticide must have contain strong, active chemicals that are poisonous and harmful to owls which resulted in their demise while on the other hand, grass hopper or mice may be resistant/ or tolerant to that chemicals that's why it don't have effect on them.

Explanation:

8 0
1 year ago
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