Fill in the blanks below using the following words to model the flow of energy from the sun to a human: cow, grass, human, sun

Grass uses energy form the to grow. A then eat the grass. When a eat a hamburger, energy is again passed up the food chain.​

In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?

Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?