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.
D. Hope this helps give branlist
Answer:
carbon capture
Explanation:
There is a piece of machinery which takes in the air and filters out the carbon dioxide. carbon dioxide is then pumped into the ground and reacts with rock to form a solid compound
Answer:
1) metals; left
2)sodium: alkali metals calcium: alkaline earth
Explanation:
