The Red Cross is an international humanitarian agency dedicated to reducing the sufferings of wounded soldiers, civilians and prisoners of war.
Giải chi tiết:
sufferings = đau khổ
A. vui
B. lo lắng, buồn rầu
C. bị thương và đau khổ
D. mất mát
Around 150 B.C. the Greek astronomer Hipparchus developed a system to classify stars according to brightness.
Population growth rates vary among regions and even among countries within the same region.
Biogas can be utilized for electricity production, cooking, space heating, water heating and process heating.