A blue line indicates that there is water running through the valley. If there is not a blue line the V pattern indicates which way water flows.
plants cannot sustain themselves because they need dirt for fertilizer the sunlight to grow in water for hydration. they also need homeostasis for a heathy balance
Answer:
True
Explanation:
Precambrian, period of time extending from about 4.6 billion years ago (the point at which Earth began to form) to the beginning of the Cambrian Period, 541 million years ago. ... The Precambrian represents more than 80 percent of the total geologic record.
Answer:
True
Explanation:Hope it helps! :)
Answer:
The feeding relationships among the species in a community determine the community's trophic structure. C)
