Answer:
4
Explanation:
Carbon has four valence electrons, so it can achieve a full outer energy level by forming four covalent bonds. When it bonds only with hydrogen, it forms compounds called hydrocarbons. Carbon can form single, double, or triple covalent bonds with other carbon atoms.
Light. That's the chemical equation for photosynthesis
The answer is concrete laundry trays.
This is because as concrete trays ages with timeit becomes coarse and rugged due to water, soap and detergents. Their smoothness gradually fades with time, thus this makes it not as good regarding to health wise standards of living.
I don't know what you the answers provided are if you can comment i'll be glad to help you :)
Answer:
Adolescent
Explanation:
Globally about 50% of mental health issues and conditions start at the age of 14. Most of them are not detected and treated. One of the most common causes of mental issues is depression among adolescents. The common factors leading to mental distress among adolescents include exploration of sexual identity, exposure to different social behaviours, money and access to technology.
