Motion maps for two objects, y and z, are shown.
object z passes object y after how many seconds?
a.) 2
b.) 3
c.) 4
d.) 5

The consumption of fossil fuels could be

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created or , but it can be

Astudent creates a model of a closed ecosystem by filling a glass tank half full with water, then adding 10 snails and two small aquatic plants. the next day, all the snails are dead. what is the most likely cause of their death?