Sam does an experiment in his lab. He discovers that the mass of the reactants before his experiment is the same as the mass of the products after his experiment. What did he prove?
The law of conservation of mass
The law of conservation of energy
O Physical properties only change during chemical reactions.
He messed up the experiment because the mass should have been different

correct answer: understand the different control methods available

integrated pest management is an strategy that is based on the ecosystem and try to prevent the pest and the damage caused by them by applying combination of technique like habitat manipulation, biological control and use of resistant varieties.

the main aim of the integrated pest management is not to completely eliminate the pest but to strengthen the ecosystem so that conditions are favorable for plants and unfavorable for pests.

not only is it colder, it also becomes darker, less salty, and more dense.

meiosis is the correct answer

my teacher would say no s