Answer:
Explanation:
I think it b c d sorry if wrong
Answer:
B.) Smoking tobacco products or inhaling second-hand smoke
Explanation:
It can cause lung cancer
May i get brainlest please?
Answer:
immune system
Explanation:
The adaptive immune system reacts specifically to pathogens (germs). It is able to recognize attacking pathogens and fights against certain antigens or foreign substances. The next time a known antigen is encountered, the adaptive immune system can respond faster.
Answer:
The problem needs to be stated at the beginning of the process.
Explanation:
Conclusions are formed at the end.
It is VERY important to form a hypothesis.
And data can be analyzed many many ways.
