O+ because it is a general donor to all the positive blood groups
Nematocysts: A capsule within specialized cells of certain coelenterates, such as jellyfish, containing a barbed, threadlike tube that delivers a paralyzing sting when propelled into attackers and prey. Also called stinging cell.
Answer: As altitude increases, the spacing between particles increase.
Explanation: There is less gravity when altitude increases to compact the particles together and particles are more free flowing to move around. Therefore the particles aren't as close together, increasing the amount of space in between them.
Answer:
When people get vaccinated they there will be less change of transfer of communicable diseases
Answer:
c. decrease rate of muscle activity