Science must be used to figure out the correct weight, length, and what material it is made out of to be the most successful at its job. Technology must be used to make sure that the calculations are correct and to use a 3d printer or something like that to make it, that or robots/tools.
Answer:
Often by the people that get sick you ask them who they have been around and have video of the people slowly you find them and often a doctor will have some type of evidence that this person had the disease's
Explanation:
The answer for what if you don't have anything on here.?
Answer:
infection
Explanation:
Hepatitis A is a highly contagious, short-term liver infection caused by the hepatitis A virus.
hope this helped,brainliest
A is the central nervous system and i think b is the peripheral nervous system
