She watched the Olympics and she could learn how to play and then try it.
Among the gases mentioned if the list of options, nitrogen, oxygen,
methane and water vapor, water vapor has the greatest effect on the
weather conditions. The reason is that the humidity of the gases can
change considerable and given that H2O molecules will replace (or be
replace by) N2 and O2 molecules, and due to the difference in the molar
masses of H2O and the other two gases, the molar mass of the mixture
(air) will change considerably and this will cause changes in the
atmosphere pressure.
Answer: (A) Erythema infectiosum
(C) Fifth disease
Explanation:
Erythema infectiosum, is also called as fifth disease. It is a disease which is caused by the human parvovirus. It occurs in the spring season. It is commonly found disease in young children (5-7 years). The disease spread through the respiratory droplets, blood and blood products containing the pathogen.
The incubation period of the disease is 4 to 14 days. It exhibit flue like symptoms such as fever. It involves the development of the erythema in the cheeks and maculopapular lacy rashes over the cheeks, arms, trunk, legs, palms and soles.
These rashes are slightly raised. The area affected by the rashes extend by exercise, sunlight, heat, emotional stress and fever.
