Scientists use buoys to measure changes in ocean and wind temperatures in order to predict when el niño will occur. true or false.

How could a student test the effect of removing heat from a gas that is stored in a sealed container? A. put the gas in the sunlight B. cool the gas in a refrigerator C. open the sealed container D. heat the gas on a stove

Many European consumers believe that genetically engineered foods

In what way does renewable energy differ form nonrenewable energy?

Which of the following issues was the worst problem caused by early surface rail systems? A. They were too expensive for most people. B. They created the first major pollution problems in cities. C.

The purpose of grading is to make the earth flat? true or false

How many offers were made ro the palestinians to create their own átate

Where is mt. kilimanjaro?

The primary purpose of Bretton woods conference was to

What was the World Trade Organization decision in 2006 related to genetically modified crops? Individual countries had the right to determine if they were going to allow genetically modified crops to come into their country.

12 out of 50 seventh graders said they would be willing to pay between $21-$30 dollars for a class trip. If there are 350 students in seventh grade, about how many would go oh the trip if it cost $30?