Answer:
A
Explanation:
What is the purpose of strip cropping?
= Prevent soil erosion...

I believe the answer would be A, because if water didn’t exist, there would be no presence of living things on earth. Water is a resource for life, thus, presence of living things.
Answer:
You did not post the ecosystem involved but below is an explanation of what a tertiary consumer is.
A tertiary consumer is an organism that feeds on other consumers, specifically primary and secondary consumers. They are often carnivores like hawks,owls, and sharks.
In the attachment below, the owl is the tertiary consumer. It mainly feeds of the primary consumers (mouse and rabbit) and the secondary consumer (snake).
Answer: Both.
Explanation: Plants produce both asexually and sexually. If they produce asexually, they will use mitosis to produce offsprings. Roots can rise up to new plants or they can propagate by budding or cutting. Like a plant's root can be attached to another plant; that energy from the plant that is attached will get it. If a plant produces sexually, it will grow seeds, and those seeds will turn into a fruit.