Which protein is part of red blood cells?
saliva
iron
hemoglobin
amino acid

Explain why the plants cortex would serve as the best food source for animals

Why are hurricanes considered more damaging than tornadoes when tornados have stronger winds? a. hurricanes only strike coastlines while tornados strike coasts and inland. b. hurricanes also cause flooding and occur over a broader area. c. tornadoes move more slowly than hurricanes. d. tornadoes only occur inland, away from coastlines. select the best answer from the choices provided a b c d

How does the burning of fossil fuels increase the greenhouse effect? by decreasing the absorption capacity of greenhouse gases by decreasing incoming solar radiation by releasing carbon dioxide into the atmosphere