According to the law of conservation of mass, in a chemical reaction, the mass of the reactant will always be different from the mass of the product. true or false

Secondary succession would most likely be taking place in a(n)

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

Which of the following are the ingredients that go into the plant and are needed for photosynthesis? select all that apply. 1.) soil 2.) seeds 3.) carbon dioxide 4.) minerals 5.) glucose (sugar) 6.) water 7.) light energy (sunlight) 8.) oxygen 9.) air