1. Maglev, a vehicle that glides above a magnetic field without touching a

track, makes a 625 mile trip in 3 hours. What is the speed of the vehicle?

Which of the following is NOT an amphibian adaptation to life on land? a. three-chambered heart b. lungs c. four legs d. endothermy

Identify the group of hormones that alter cells membrane receptors

How did earth get its moon

Which of the following is not a key advantage provided by the exoskeleton of terrestrial arthropods? Prevents dessication Protects internal tissue Provides mechanical support Grows with the arthropod throughout its life

1. When air temperature increased, what happened to soil temperature? When air temperature decreased, what happened to soil temperature?

What causes pioneer grasses and weeds that have grown in an abandoned field to die?

What specific event triggers the uncovering of the myosin binding site on actin?

How has an increase in temperatures affected snow-covered mountain regions?

What did Stanley Miller's experiment in 1953 illustrate regarding the origins of life? a. It produced the chemicals of life by simulating earth's early conditions. b. It created spontaneous generation, which showed the earth's age. c.

The statement that every object attracts every other object is: the Law of Universal Gravitation untrue the Law of Affinity