I believe the correct answer from the choices listed above is the third option. The Endangered Species Act was established in 1973. This significant environmental law provides all of the following except <span>permits to trap threatened wildlife. Hope this answers the question.</span>
Please refer to the definition above
Answer:
antigens
Explanation:
a vaccine may contain that
Answer:
Concentration gradient.
Explanation:
Diffusion may be defined as the process of the movement of solute particles down the concentration gradient. This process does not require the expenditure of energy.
The main driving force in diffusion is the concentration gradient. The molecules generally move from its region of the higher concentration towards the region its lower concentration.
Thus, the correct answer is option (3).
All of the above
all options are related to the explanation of aids
