What is true about one strand of dna?

question 3 options:

it contains many proteins.

it contains many alleles.

it contains many chromosomes.

it contains many genes.

Ricardo notices that when he plays soccer in the rain, his ball does not seem to go as far after a kick. what is the best scientific question that ricardo could ask about this observation? is soccer better played in the rain or sun? how does rain affect the distance a soccer ball can travel? how does rain affect the speed of a soccer ball? is soccer affected by the rain?

What best describes the structure of the declaration of independence?

In the sentence "a mining company will consider the distribution of coal when deciding how to mine the coal," what does the word distribution mean?