10. A student is heating a test tube that isn't made of pyrex over a Bunsen burner. The test tube
explodes, sending shards of glass and chemicals
towards a nearby student, who is finished their
lab and is not wearing their safety goggles.
what do you do when you get glass in eye

Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial

Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.

How many moles of bromine are needed to produce 3.23 moles of potassium bromide