Which is a safe practice for handling chemicals in a lab investigation?
a)dispose of all chemicals down the sink with a lot of water.
b)tell the teacher about any chemicals that were spilled in a lab.
c)identify chemicals by smelling and tasting them.
d)place beakers of chemicals near the edge of the counter.

Give examples of animals that live in sea and are considered mammals. ♡

Can someone me with this and tell me what’s fracking and what does it have to do with carbon, carbon dioxide, or fossil fuels?

Which of the following is the best definition of aerobic respiration? o a. the cellular process that releases energy by breaking down glucose o b. physical activity that involves the repeated motion of large muscle groups o c. physical activity that increases heart rate and breathing rate o d. the cellular process that converts solar energy to chemical energy