15.4 7.1 15.7 7.2 13.2 10.1 12.6 13.4 13.1 13 13.4 10.7

The table gives the results of a random sample of trout from the population whose graph is shown.

a. Find
¯
x
x
¯
(round to two decimals):

Remote sensing of the earth's surface and atmosphere may involve the use of what type of instruments?

The chart below matches messenger rna codons with amino acids. a dna strand has the sequence of bases, aat. according to the chart, the corresponding messenger rna codes for which amino acid?

Afarmer began a new method of reducing grain spills. this reduced the number of mice on the farm. the number of snakes in the surrounding area decreased at the same time. the snakes depended on the mice that lived in the field. what’s the likely reason the snake population decreased? a. the number of snake predators increased. b. the number of mice increased. c. the number of mice decreased. d. the pesticides affected the snakes. e. a new breed of mice moved into the field.