The spruce-fraser fir forest at the top of Mt. Mitchell is nearly all dead, and the cloud formations surrounding the forest have a pH of 2.5-3.5. What is the most likely cause of this destruction

Why is the statement not a hypothesis? sunflowers require soil and plenty of sunlight and water to grow and thrive.

Monarch butterflies have brightly colored orange wings with black patterns on them, making them easily visible to birds that eat butterflies and moths, yet birds rarely eat the monarchs. likewise, the monarch caterpillars are brightly striped yellow and white and black, and they also are rarely eaten by birds, although some wasps will attack them and feed them to their young. what can be inferred from these observations? monarchs must threaten and attack birds, but not wasps. monarchs have a way of discouraging bird predation that does not involve hiding. monarchs’ wings are so colorful that most birds must find them difficult to eat. monarchs lay more eggs than other less conspicuous butterflies.

What is the function of the nucleus in the euglena cells you observed?