Which two pieces of data could indicate that a volcano is about to erupt? A. A drop in average air temperature in one region
U
B. A decrease in the ocean level near a mountain range
O C. An increase in temperature near Earth's surface
D. A change in the types of gas detected in the air
U
SUBMIT

How many protons, electrons, and neutrons are in each of the following isotopes? a. zirconium-90 b. palladium-108 c. bromine-81 d. antimony-123

Each of the following reactions is allowed to come to equilibrium and then the volume is changed as indicated. predict the effect (shift right, shift left, or no effect) of the indicated volume change. drag the appropriate items to their respective bins.co(g) + h2o(g) < => co2(g) + h2(g) (volume is decreased) pcl3(g) + cl2(g) < => pcl5(g) (volume is increased) caco3(s)< => cao(s) + co2(g) (volume is increased)

What is the area in square meters of 448 g ai foil that has a thickness of 23921 nm? the density is 2.70 g/cm