Carl is on vacation from school, and he went to the beach for the day. He laid his towel out and got his sunblock out. He noticed a warning on the back of the aerosol can of sunblock: Contents under pressure; Do not heat. Why does the warning advise against heating the can?

Covalent network solids typically have melting points and boiling points. the chemical formula of a network solid indicates in the molecule.

Sarah wants to know where in her garden chamomile would grow the best. she thinks chamomile will grow best in the corner of the garden that gets the most sunlight. to test her hypothesis, she decides to plant several groups of chamomile in her garden as an experiment. which of the following variables will sarah need to measure to know which group of plants grew best? a. the location of the plants b. the type of plants c. the height of the plants d. the amount of water she gives the plants

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)