You are determining the mass of an object using a triple beam balance. when the pointer is lined up with the zero mark, the riders show values of 300 grams, 20 grams, and 8.0 grams. what is the mass of the object?

Need an answer asap 45 points and brainlest to the first person to answer why do scientific theories, such as biological and chemical evolution, represent the strongest explanation of the changes observed in the fossil record. must be in sentence form how can scientific theories on evolution and the fossil record change over time? must be in sentence form

Adistinctive characteristic of mammals that is not observed in other vertebrates is

If you want to double a batch of brownies you must have double the ingredients before you start cooking similarity a cell must double its contents including its dna prior to dividing