Answer:
protons and neutrons
Explanation:
Protons and neutrons have a positive and neutral charge, respectively. They are in the nucleus, while the negative electrons orbit the nucleus.
From lowest to highest hierarchy it would be: planet, star, solar system, galaxy.
1) Chloroplast
-converts solar energy into food for the plant.
2) Cell Wall
-provides protection and structure.
Answer:
affecting the environment
Explanation:
kills so many animals
More than 16 million Americans