How did scientists discover that rocks farther away from the mid-ocean ridge were older than those near it? a. by measuring how fast sea-floor spreading occurs
b. by observing eruptions of molten material on the seafloor
c. by determining the age of rock samples obtained by drilling on the seafloor
d. by mapping rocks on the seafloor using sonar

Mrs. smith ordered a root beer float (vanilla ice cream + root beer). mrs. smith noticed that the three states of matter (solid, liquid, and gas) all existed simultaneously in her root beer float. a. identify each phase of matter in the root beer float. b. describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? ) c. identify one phase change you would see in a root beer float and described what causes this change.

Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.