Answer:
Weather, Time, and Altitude
Explanation:
Physical erosion is the process where rocks change their physical properties with out changing there basic chemical components. :8)
Tree diagrams display all the possible outcomes of an event. Each branch in a tree diagram represents a possible outcome. Tree diagrams can be used to find the number of possible outcomes and calculate the probability of possible outcomes.
It is usually to cover up some mistake or area of weakness. Sometimes it is to brag about something and make themselves look better.
It can improve the production of goods by creating machines to create a more efficient work schedule and make goods faster