Two-components in English and explain

49 On which continent is the deepest point on land? Which symbols below represent the ions in a glass of water? What does Sulphur Dioxide do? What is a phoshpholipid? Do the front air dam on 1998 corvette drag a lot Is that normal? Why are magnetic patterns on the ocean floor puzzling? Can a plane land at the North Pole? How do ribosomes synthesize? The most important acid involved in chemical weathering is? Normal level of serum urea? How does the density of fresh water compare to the density of salt water? Why is ventilating the basement a good way to reduce radon buildup? What it is called an animal that hunts other animal? Can ground and neutral wires go to same busbar in panel? Average temperature of tap water? Is exothermic adding energy? What are biological and physical factor which cause food shortage? How could the Hair is used to detect charges? Name six whose leaves are eaten? How could electromagnetic radiation be used as a power source?

Two-components in English and explain?