Answer:
Cancer cells don’t interact with other cells as normal cells do. Normal cells respond to signals sent from other nearby cells that say, essentially, “you’ve reached your boundary.” When normal cells “hear” these signals they stop growing. Cancer cells do not respond to these signals.
Answer:
c. hydrogen.
Explanation:
Earth is full of different substances. Hydrogen bonding is a partial inter molecular bonding between a lone pair and an electron rich donor. Some of the most important molecules here on earth are held by hydrogen bonding.
Hydrogen bonding is useful in inorganic and organic molecular combination.
They could eat unicellular organisms. Hope this one actually helps
The ocean is the main regulator of co2 in the atmosphere because co2 can dissolve easily in it
Answer:
True, bones
Explanation:
The first one is kind of like common sense I guess
The second one is bones because, one, I've learned this before, and two, have you ever seen those ads where the guy tells you to drink milk because milk strengthens bones? Well, milk is calcium.