Under the crust of the Earth are bubblin liquids that sometime ise to the surface.

The nitrogen makes up over 78 percent of the Earth’s atmosphere, the gaseous mass surrounding planet.

Early balloonists remained aloft in air for relatively short periods

The midnight sun is phenomenon in which the Sun visible remains the sky for twenty-four hours or longer.

Either . Anderson or Ms Wiggins are going to teach our class today 

Prevented the soil from erosion, the trees are planted by the farmer a years before were which stopped the flood from reaching his house

Find out error in each sentence: The price of petrol has raised so rapidly that we decide to use the bus. 

Trees are designed as neither hardwood or softwoods

The student realized with sappointment that he had learned new nothing in the lectur

So when Whitman returned to the Pacific, over thousand settler went with him.

In its pure State, aluminum is a weak metal, but when combined with elements such as copper or magnesium, it is formed alloys of greattest strength

Mary: "I had a really good time. Thank for the lovely party" 

Jane: "    __________" 

The fossil remains of much extinct mammals have been found in the tarpits Rancho La Brea in Los Angeles

Being a child of noble birth, his name was famous among children in that schoo

Tom: “Can I borrow your bike for a minute?” David: “_________________.” 

I prefer living in a nuclear family than joint one 

– Dylan: “I’m thinking of doing some shopping today. Can you recommend anywhere?” 

- Steward: “________________” 

People who exercise regularly are less likely to develop heart disease than is who not keep fit.

New uses plastics were found during the 1950’s and 1960’s medicine, space, research, industrial , and architecture

After searching for evidence in the house , polices concluded that the thief must have come in through the window and stole property while the family was asleep.

I thought this book was rather ull at the first , but I’ve changed mind.