Students on a field trip to a potato farm examine a few potatoes. which of the following features will them conclude that the potato is an underground stem?

The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2

What best describes the dropping height of a ball that bounces back up to a height of 45 cm

What factors contribute to the effect an environmental toxin has on the human body?