Valence level (shell or cloud)
Answer:
D-T helper cells kill virus infected cells
Answer:
C. Viruses use living cells to make new viruses
Explanation:
Viruses are like hijackers. They invade living, normal cells and use those cells to multiply and produce other viruses like themselves. This can kill, damage, or change the cells and make you sick. Different viruses attack certain cells in your body.
Answer:
A.
Explanation:
The lower it goes, the older it gets!
Hey there!
Your answer would be C) Spring
Springs bring water from underneath the ground.
Hope this helps!