Answer:
No, coal is not a mineral because coal is made of dead plants
Explanation:
Coal is formed when dead plant matter decays. Minerals are chemical compounds.
Minerals are not formed from plants or animals
Yes, it's A. Spinach and cabbage are (A) the leaves of plants. Spinach do have flowers but they are not the flowers itself while cabbages don't have flowers. Cabbages and Spinach don't have fruits either.
Classic conditioning
a learning process that occurs when two stimuli are repeatedly paired; a response that is at first elicited by the second stimulus is eventually elicited by the first stimulus alone.
In a monohybrid cross with two heterozygous parents the result will be a genotypic ratio of 1:2:1 for homozygous dominant to heterozygous to homozygous recessive. The phenotypic ratio will be 3:1 dominant trait to recessive trait.