How to write a title for the scientific method

Ascientific idea becomes valid when it is what?

Which of the following forest management practices is best for reestablishing areas of forest?

Which of the following is an example of competition a. the leaves of a tree prevent a small shrub from getting sunlight. three species of birds feed a different heights in the same tree. b. three species of birds feed at different heights in the same tree c. zebra and giraffe’s feed on different grassland plants d. cats living in two different homes eat the same brand of cat food.