What are the common issues for someone who has sickle cell anemia?

20 points asap! question 1 - in your own words, explain the scientific evidence that supports the plate tectonic theory. question 2 - in your own words, explain why the geological structures in florida are different from the geological structures in colorado.

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

As the pea seeds respire, the level of coloured liquid in the left hand part of the capillary tube rises. by referring to what is happening in the apparatus, explain why the level of liquid changes