Juan and shanice took soil samples from around their campus. they collected the same volume of soil from each location. the students wanted to know if the sample varied in mass. which tool would they use to find the mass of each soil sample?
a. yard stick
b. metric ruler
c. graduated cylinder
d. triple beam balance

During endocytosis, cells expel what they don't need take in what they need shrink due to loss of water

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

1. fold your hands together so your thumbs cross over ,and look at your thumbs. which thumb feels most "comfortable" on top is actually controlled by a gene. the left thumb folding over the right thumb is a domi