How do temperature differences in the protoplanetary disk explain the arrangement of the planets in the solar system?

Which type of neuroglia is found outside of the brain?

'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.

What amino acid is coded for by this sequence after the mutation