Which of the following is true of a rock that has the property of paleomagnetism?
a. rocks formed millions of years ago show the location of the magnetic poles at the time of their formation.
b. all rocks, regardless of when they are formed, will eventually possess the same polarity.
c. a major shift in polarity occurred in all rocks that were formed one million years ago.
d. a rock possesses a specific polarity depending on where it is formed.

Which way do the nitrogenous bases in dna pair up? a. a and g; t and c b. a and c; t and g c. a and t; g and c d. a and a; t and t; g and g; c and c

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.

Wich of the following are manual restraint techniques for dogs