Select the crops that might best be grown under metal halide HID lights. strawberries

chrysanthemums

bok choy

lettuce

tomatoes

daisies

spinach

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?

Some tools have graduations to show multiple measurements. for example, a ruler may have graduations for both millimeters and centimeters. when measuring the length of an earthworm, which graduations would allow for the most accurate measurement? millimeters centimeters decimeters meters

What are some natural processes that represent physical and chemical changes?