Which of these processes are chemical reactions?
boiling an egg
crushing spices
vegetables rotting
chopping vegetables
dew forming

What are the percent by mass of copper in penny lab

The pressure in a fluid is affected by which characteristics of that fluid

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.