More than 50% of ecosystems are currently being used unsustainably
T or F

Select the situation bellow that would produce a total displacement of zero. a. a trip to the moon and then to mars b. a horse galloping from one end of a field to another c. the criss-crossing path of a bug as it flies from flower to flower d.a round-trip ride to school and back

Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity hurry!

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels