Which type of mutation is responsible for sickle cell anemia .a inversion b substitution c insertion d deletion

What are the most explosive events that occur on the sun? umbras solar flares solar winds prominences

'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 conclusion can be made based on the temperature of soil when the light hits the soil at 0°, 45°, and 90° angles in section 2 of the experiment? did your results support your hypothesis? why or why not?