A color-coded periodic table. Complete each statement with the word that makes it true. The noble gases are the least of any elements on the periodic table. The form acidic compounds with hydrogen. The halogens are the most reactive among all the .

What changes occur in the brain during the teenage years? 25 points, someone me out!a.) thinking becomes slower as the brain grows larger. b.) connections between neurons become stronger and faster. c.) unused neurons fuse together to form larger, better functioning neurons. d.) more neurons are developed.

What is the mass of the water that is being heated? it requires 2,500 joules to raise a certain amount of water (c = 4.186 jig c) from 20.0°c to 60.0°c. o 159 o 40 g o 63 g o 80 g

Which of these activities increases the amount of carbon in the atmosphere?