When using the scientific method to solve a problem, two of the most important steps are: interpreting data and drawing conclusions
stating the problem and making a hypothesis
devising an investigation and looking for cause and effect relationships
deciding what the outcome should be and recording it

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.

Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what  most likelyhappened? energy was created inside the blocks. energy was destroyed inside the blocks. energy was absorbed into the blocks from outside the system. energy was transferred from the warmer block to the cooler block.

Salt in oceans comes from and of rocks