What is pranchyma ??? ​

Need an answer asap 45 points and brainlest to the first person to answer why do scientific theories, such as biological and chemical evolution, represent the strongest explanation of the changes observed in the fossil record. must be in sentence form how can scientific theories on evolution and the fossil record change over time? must be in sentence form

What is the membrane that sheath of schwann cell containing cytoplasm and nucleus that encloses myelin

Will give ! ! widentify the advantages and disadvantages of renewable and nonrenewable energy resources.