Match the mountain range with its formation. Grand Tetons
Two continents colliding

Himalayas
Plates spreading

Andes
Two ocean plates colliding

Aleutian
Near a subduction zone

The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.

Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?

Which of the following describes a situation where competition between producers exists