Your friend is trying to find the density of olive oil. She pours olive oil into a beaker and measures its mass. She then uses the mass and the volume of the beaker to calculate the density. Suggest three ways that she could improve her method.

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

(select all the correct choose each statement that is scientific. - the opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on earth. - the universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago. - ocean tides are caused by the uneven gravitational pulls of the moon and sun on different parts of earth. - human life is more valuable than other forms of life on earth because humans are more intelligent than other organisms.

Wich level of organization includes all the other levels or organizations