Infrared has a lower frequency than ultraviolet light.
Answer:
What are the two primary functions of the food in the body? The food that we eat provides us with energy and nutrients which are used by the body for its growth, maintenance, and repair.
Biotechnology can be used to transform bacteria so they are able to make human proteins, such as insulin. It can also be used to create transgenic crops, such as crops that yield more food or resist insect pests. (I copied this off the web so just paraphrase)
The answer would be letter a
The body attacks particular foreign invaders and <span>immunity is adaptive.</span>