PLEASE HELPP! 10 points and BRAINLIEST The ocean floor is not entirely flat, but has mountains and valleys. How did they get therep (Things to
think about age of crustal rock, mid-860an ridges, plate tectonics. explain your answer.

Seafloor spreading occurs at divergent plate boundaries. As tectonic plates slowly move away from each other, heat from the mantle's convection currents makes the crust more plastic and less dense. The less-dense material rises, often forming a mountain or elevated area of the seafloor

Explanation:

b. heterotroph

explanation:

ans.

gregor john mendel is known for study of inheritance in pea plants. he used garden pea plant for his study, having alternative traits for various characters. he performed cross-breeding in pea plants to check how characters are transmitted between parents to offspring, such as cross between pure tall and pure dwarf plant. mendel studied the inheritance patterns in pea plants for various generations.

thus, the correct answer includes options and f).