I think C because to not get lightheaded, you need blood to go to your brain and if you're exercising and you feel light headed or dizzy, you wouldn't be able to exercise!. So from my understanding, the answer would be C but I am not 100% Hope this helps! :)
CYS-PRO-LYS-TRP-SER
Hope this helps
Answer:
Savanna or Forrest biomes have several diverse ecosystems
Metamorphic, igneous, and sedimentary.
It is a nucleic acid. It is found in DNA. It is used to build an organism’s structures. It allows parents and their young to have similar characteristics.
