B. 7
Nitrogen's atomic number is 7.
*an element's atomic number is both its number of protons and electrons*
*to find an element's amount of neutrons, subtract its atomic number from its atomic weight*
Answer:
Substances
0 (most acidic) Hydrochloric acid (HCl)
1 Stomach acid
2 Lemon juice
3 Cola, beer, vinegar.
Examples of alkaline are:sodium hydroxide, potassium hydroxide, calcium hydroxide, magnesium hydroxide etc
The infant should receive the long-term care in a home environment because it promotes more family interaction and less of a hospital environment.
Ecosystems need producers because they are the start of the food chain.
Producers are consumed by first consumers, the second consumers and so on.
C because you are like a mix between your mom and your dad. This is just an example. I knew the answer, I just added that to get 20 words
