You are exploring in a cave and call out to one of your friends. you hear your echo. which interaction of sound (reflection, refraction or absorption) caused the echo and how did the sound waves move?

Which level of consumer had access to the smallest apply of energy

If the coding part of an mrna molecule is 1800 nucleotides (bases) in length, this molecule will contain codons and code for a polypeptide that is amino acids long.

Graphs you see question 5 options: the change in data over time the relationship between different dependent variables the relationship between the independent variable and the dependent variable/s the relationship between different independent variables