When boys go through puberty their voices change and they start to grow hair on different area of their body such as their chest, face and pubic area. Also they will start to get acne
Answer:
Trough – the lowest point below the rest position. Amplitude – the maximum displacement of a point of a wave from its rest position.
Answer:
Explanation:
Bonds form when atoms share or transfer valence electrons. In a covalent bond, two atoms share one or more electrons. Water is a polar molecule. A hydrogen bond is a relatively weak bond between two oppositely partially charged sides of two or more molecules.
1. Overpopulation
2. Ecosystem
3. Hunger & Sustainability
