Amazon rainforest and other hot spots
Answer:It would take 300 years.
Explanation: Light years are how much light travels in a year. Thus it would take 300 years for light to travel to earth if a star is 300 light years away.
Answer:
Answer is A. Red due to ionized hydrogen atoms.
Explanation:
Note that nebula color depends on its chemical composition and its degree of ionization. Because of the prevalence of hydrogen and relative low of ionization energy, its emission appears red.
Different amino acids means difference DNA sequences, which means they are distantly related.
Further understanding: if you look at identical twins, they are closely related to each other because they have almost the same DNA, which will code for the same amino acids, which will lead to the same phenotype or appearance.
To summarize, the greater the amino acid differences the less related they are and vice versa
Hope that helps