The best answer is B.
Infectious diseases whose incidence has increased in the past two decades or threatens to increase in the near future have been said to be "emerging''. Such diseases include the following:
1. Old infections emerging as a result of antimicrobial resistance in known agents or break down in public health measures.
2. New infections resulting from change or evolution of existing organisms.
3. Known infections spreading to new geographical areas or population.
4. Previously unrecognized infections in areas undergoing ecologic transformation.
Answer:
Chemical digestion involves the secretions of enzymes throughout your digestive tract. These enzymes break the chemical bonds that hold food particles together. This allows food to be broken down into small, digestible parts.
H
A nucleic Acid is a long repeating chain of nucleotides
Acting as levers for movement is a function of: bones.
Movement can be defined as a process through which several skeletal muscles in the body systems act together as a group, in order to cause a change in the motion of a body part.
Basically, bodily movement are produced when skeletal muscles exerts a force on the tendons, which in turn pull on the bones (levers) and other supporting structures such as the skin.
In the body of living organisms, bones act as levers for movement by enhancing limb speed or power of limb movements while joints act as a fixed point of movement (fulcrum).
Read more: brainly.com/question/24279781
Naturally ocurring, solid,inorganic, Crystal shape, and definite chemical composition.