Researchers measured the average blood alcohol concentration c(t) of eight men starting one hour after consumption of 30 ml of ethanol (corresponding to two alcoholic drinks). (round your answers to two decimal places. ).

Which of the following always exist between two objects having mass ● elastic force ● contact force ●gravitational force ●magnetic force

Afish fossil is found in a rock. a foot bone and tooth are found in an older layer of the same rock. what can scientists learn from the rock? a) the area changed from land to water. b) the area changed from water to land. c) the area has always been land. d) the area was once an ocean.

The arid climate region is labeled with the letter on the map above. a) b.. b) c .. c) e .. d) f.