Answer is C .. Hopes this help a lot ;)
Natural sciences deal with the physical world and include astronomy, biology, chemistry, geology, and physics. Applied science is the process of applying scientific knowledge to practical problems, and is used in fields such as engineering, health care, information technology, and early childhood education.
Answer: A. True.
Explanation:
The AIDS virus may constantly change it's form in the host body by mutating. The body immune system becomes unable to produce antibodies which can fight against these mutated cells.
Also, the vaccination used for the purpose of immunization will not be able to combat will the causative agent in the body of the host. As the vaccine contains the microbe which can fight against the virus present in the body. But as the virus is changing it's form the microbe may not be able to compete with the virus. Hence, the use of vaccine will become useless.
The ear has the tinest bones in the body. There are three bones in the ear. Hopes this helps you.
Answer:
AIt removes H2O from the atmosphere during glycolysis.
Explanation: It removes H2O from the atmosphere during acetyl CoA formation. Aerobic respiration requires oxygen to proceed, but anaerobic respiration does not. Thats so easy :D