Answer:
The immune system protects the host from pathogenic organisms (bacteria, viruses, fungi, parasites). To deal with this array of threats, the immune system has evolved to include a myriad of specialised cell types, communicating molecules and functional responses.
Explanation:
Speed = frequency x wavelength
100 x 0.2 = 20
Answer:
4 quaters and 2 quaters make up 50 cents then with the dimes you should have 5 dimes making it also 50 which also equals a dollar leaving you with 2 dollars
Explanation:
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