Tina is a climate scientist. she wants to investigate weather patterns from further back than the last 150 years. what sources can tina use in her research?
tina can examine and to investigate weather patterns from further back than 150 years.

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home. what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point