1) H2O
The number of atoms.

25) a student takes four samples of a white crystalline solid and places each in a well plate. on top of each sample, she carefully places 20 drops of clear mystery liquids a, b, c and d. her results for each well are: liquid a: the solid dissolves quickly. liquid b: the solid appears unchanged. liquid c: a brownish colored liquid is produced. liquid d: fizzing occurs and the well becomes warmer. in which well does a physical change occur?

What would be an example of hypothesis for goldfish respiration lab

Animals such as pronghorn antelope, bison ans badgers dot to the landscape. where are these animals located?