When choosing products for cleaning and disinfecting
A. look for those that spray a fine mist.
B. choose "green" products rather than those with government labels.
C. look for an EPA registration number.
D. find one with a high percentage of bleach.

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.

What are the four most common physiochemical changes that are used to determine time of death

Keys to preventing a fall from a ladder include choosing the right ladder for the job and tying the top and bottom of the ladder to fixed paints. what else can you do to keep safe when using a ladder?