4 Which factor determines whether an energy resource is renewable or nonrenewable energy? 6.ESS3.1
A whether or not the resource can be sold to people for money
B. the types of energy conversions involved in forming the resource
C. the amount of pollution produced from obtaining and using the resource
D. the ratio of the rate at which it is used to the rate at which it is replenished

Imagine that certain laws of physics could be ignored and you were able to travel vast distances in moments. now imagine that you traveled to an earth-like planet located light-years away that is known to support life. think about what you’ve learned in this unit and make an argument for what you think would be the dominant type of life form on this planet. consider whether a notochord is required for an organism to manipulate its environment and become a dominant creature.

Apopulation of black bears depends on salmon from a stream for food. if a drought causes the stream to run dry one year, how will this likely impact the black bear population?

How does friction with the atmosphere affect the speed of an artificial satellite