When heating test tubes, always slant them away from yourself and others.
True
False

Fission of uranium-235 products energy and a. isotopes of smaller elements b. isotopes of larger elements c. lighter isotopes of uranium d. heavier isotopes of uranium

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a.the mitochondria b.the nucleus c.the vacuoles d.the endoplasmic reticulum