1.a
2.c
3.a
4.a
have a good day!!
Plicae, villi and microvilli increase the surface area for he absorption of nutrients
If you are startled by the sound of a loud explosion, the sympathetic nervous system will become dominant. The sympathetic nervous system is responsible for regulating not only the functioning of the visceral organs (kidneys, digestive system and circulatory system) but also all the automatic functions of the organism, such as breathing, circulation, digestion and elimination.
Extinction DIF; Having no more existing or living members
Answer:
You need to use the scientific method and <u>knowledge of the environment and earth systems</u> in order to work as an environmental scientist.
Explanation:
An environmental scientist works based on the fact that it has the knowledge of the environment and he is aware of the interaction between the environment and other components associated with it.
An environmental scientist study about the effect of environment on plants and animals as well as earth systems to protect, understand and develop research methods.
