When dendrochronologists use tree rings to reconstruct climates, what does a thinner than normal ring tell them about the year that ring formed? that there was high precipitation

that it was very humid

that there was low precipitation

that it was very windy

Are substances released into the environment that in excess amounts cause damage

Put the following processes of protein synthesis in the correct order: - dna strands unwind and separate - mrna copies dna according to complimentary base pairing - trna's anticodons bring amino acids to the corresponding mrna codons - amino acids bind to each other making a protein - mrna leaves the nucleus - a stop codon is reached, the newly formed protein is released to go do its job for the cell

Which two criteria must be met before scientist can use radiocarbon dating? explain your answer