Answer:
78.09% nitrogen
20.95%oxygen
0.03%carbon dioxide
0.93%other gases
this is the composition of air
it is essential for respiration
Explanation:
if it helps then mark as brainliest✌️✌️
Answer:
Because the mass contributed by electrons is dwarfed by the nuclear contribution. There exists three orders of magnitude difference. Electronic mass can be ignored to a first approximation.
Explanation:
Adult is 30 chest compression to 2 breaths. For child its 15 chest compression to 2 breaths. For infants its the same as a child but don't use your hand its only two fingers or thumbs
Answer:
An intermittent and remittent fever which is caused by a protozoan parasite that invades the red blood cells. It is transmitted by mosquitoes.
Hope this helps -Paige
<span>Rickets is a:
-bone disease
</span><span><span>Rickets is a skeletal disorder that results from lack of vitamin D, calcium or phosphate</span>
</span>