Due to a skiing accident, a young man suffered an injury to his spinal cord at the first thoracic vertebrate. what major functions could be lost due to his injury?
a. breathing
b. blinking
c. bending
d. chewing

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

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes

The process of meiosis produces only gametes, eggs or sperm. according to the diagram, how many sperm are formed from each cell that undergoes meiosis?