Which part of a plant is responsible for carrying out photosynthesis

Select the correct lewis structure for fluorine which is group 7a element?

What is the chemical formula for a compound between li and br? libr li2br libr2 libr3

Why is it important for scientists to review and repeat the work of other scientists? 1.a scientific theory must be tested three times before it is proven. 2.the scientific method only applies to repeated experiments. 3.an experiment may have had errors that the scientists didn't recognize. 4.the results of individual scientists may be influenced by bias. 5.an experiment must be performed twice before the data can be analyzed.