Answer:
Here:
Explanation:
They are nutrients that are not produced inside your body but your body needs it to survive. One example is Omega-3 fatty acid which is an essential fatty acid.
Explanation:
Genetic alternations include chromosomal abnormalities and gene mutations. Chromosomal abnormalities generally arise during cell division. ... Gene mutations are permanent changes in DNA gene sequence. They can arise during normal DNA replication or in response to environmental factors.
Answer:
A. Gasoline buring inside a car engine
Answer:
They are vital for the construction, manufacturing and energy industries.
Explanation:
