Answer:
how many it is you should give only one question
Answer:
have the same number of protons
Explanation:
Atoms of the same element will always have the same number of protons.
Protons are the positively charged particles in an atom which are located in the nucleus.
- To recognize an atom, the number of protons is used.
- The number of protons is the atomic number.
- On the periodic table, atoms are arranged based on the number of protons.
1) endothermic
2)exotgermic
3)exotgermic
Answer:
Explanation:
1. Virus's are hard to detect because of their simple construction.
2. Some mutate very easily.
3. It is hard to isolate the virus and kill it without doing damage to the host.
