Which types of mechanical weathering are most likely represented below? A. A) Salt weathering, B) root wedging, C) pressure release, D) lichen growth
B. A) Heat expansion, B) lichen growth, C) salt weathering, D) abrasion
C. A) Abrasion, B) root wedging, C) heat expansion, D) salt weathering
D. A) Frost wedging, B) root wedging, C) salt weathering, D) heat expansion

The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?

Match the following vocabulary terms to their definitions. 1. amount of energy required to change 1 gram of material from the solid to the liquid state at its melting point 2. a measure of the kinetic energy of the particles of a substance 3. the amount of heat energy required to raise the temperature of 1 gram of liquid water from 14.5°c to 15.5°c 4. amount of energy required to change 1 gram of material from the liquid to the gaseous state at its boiling point 5. the amount of energy required to change 1 gram of a substance 1°c a. temperature b. latent heat of vaporization c. latent heat of fusion d. calorie e. specific heat

Ab c or d ? i’m not sure what the answer is