The soil in Ashlyn's garden becomes depleted of nutrients. Which of the following could have caused this to happen? She added compost to provide natural nutrients to her garden.

She practiced crop rotation.

She added too much fertilizer to the soil.

She planted the same plants every year.​

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.