2. The tundra is cold! Which of these temperature facts are true?
a. During the winter, temperatures can get down to -61 degrees F.
b. During the warmest month, average temperatures are between 32 and 50 degrees
c. The average annual temperature is between 10 and 20 degrees F.
d. All of these are true.

What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.

Can someone i have no idea of how to do this.

Accuracy in the translation of mrna into the sequence of amino acids in a polypeptide depends on specificity in which of the following? 1) binding of ribosomes to mrna 2) shape of the a and p sites of ribosomes 3) attachment of amino acids to trnas 4) bonding of the anticodon the codon and the attachment of amino acids to trnas