Plz help I don’t get this and if get this right u get 70 points

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

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

Read the claim. breakfast is an important meal. it jump starts the body’s process of using calories to break down food. appetite can decrease with age, but going too long without eating causes metabolism to slow down. current research shows that incorporating legumes such as lentils and chickpeas into meals boosts metabolism for twenty-four hours. who might benefit from this claim? people who have a fast metabolism stores that sell exercise equipment people who take vitamin supplements grocery stores that sell legumes