1. It does this to protect host's cells and keep the virus in the same spot so white blood cells can kill them.
2. Aids are not caused by bacteria because what causes it is a sexual disease.
3. A vaccine is the disease but a weakened form so then the white blood cells can learn how to kill the disease but antibiotics can only slow down the disease so that the white blood cells can kill it.
I hope this helps you.
Answer:
4.9 ^10_5
Explanation:
the negative sign after the exponent is as a result of the decimal point after the number
Answer:
Coronary angiography
Explanation:
Chronic stable angina occurs when the heart needs more oxygen during strenuous activities and the chest pain can reduce during rest unlike for unstable angina that is due to narrowing of blood vessels that can be examined through Coronary angiography. So the blood vessels in stable angina are not narrowed like in unstable angina
They depend on the salt water to survive which is in the air when the wind blows