Please answer all question plass i will mark brainlist 1. What do scientist think caused the Autumn Buttercups to disappear in that certain area?

2. What do scientists think that caused the return of the Autumn Buttercup?

3. How did scientists figure it out?

4. What are two theories of why the Autumn Buttercups are thriving when cows were returned?

5. What does this tell you about ecosystems and how fragile they are?

6. Where do Autumn Buttercups grow?

Which position represents spring in the southern hemisphere? a) b) c) d)

If you are told to get 100 ml of stock solution to use to prepare smaller size sample for an experiment, which piece of glassware would you use?

The equation below shows a chemical reaction. a + b + heat —> c + d according to the law of conservation of energy, which statement is true? a. the reactants absorb heat because they have less energy than the products. b. the products release heat because they have more energy than the reactants. c. the reactants generate heat because they have more energy than the products. d. the products require heat to form because they have less energy than the reactants.