Which kind of investigations allow for the control of variables? O hypothesis
O experimental
O descriptive
O comparative

Two atoms interact with each other as shown by the equation. complete the equation by filling in the missing parts. 1 2 3 4 5 h he li

About 70 percent of the earth's surface is water-covered, and about 96.5 percent of all earth's water is salt water. identify the watery feature on earth that is made of freshwater rather than salt water. a) bay b) glacier c) ocean d) sea it is not incomplete this is the true question

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?