Ecologists are trying to preserve our environment for future generations by protecting the ozone layer, purifying the air, and have planted the trees that have been cut down.

For the first time in the history of the country, the person which was recommended by the president to replace a retiring justice on the Supreme Court is a woman.

The deadbolt is the best lock for entry doors because it is not only inexpensive but utallation is easy.

Jason’s professor had him to rewrite his thesis many times before allowing him to hand it in.

When mining for gold, you must first obtain the gold ore and then apart the gold from the ore.

Working provide people with personal satisfaction as well as money.

The Greek historian Herodotus reported that one hundred thousand men are employed for twenty years to build the Great Pyramid at Gizeh.

I was amazed that Smith showed so few grief at his mother’s death.