The development of cars has been good in some ways and bad in others. the car has allowed for better transportation but it is also responsible for a great deal of pollution. which activity solve the pollution problem through the use of technology?
a. encouraging people to walk more
b. building cars that give off less pollution
c. building fewer cars
d. encouraging people to ride a bus

Anton created a chart listing different types of materials. which best complete the chart?

Which greenhouse gas is emitted when burn fossil fuels for energy? a. nitrogen b. oxygen c. carbon dioxide d. helium

Been sitting here trying to take this test and don't know this answer! place the events of a feedback mechanism associated with body temperature in the correct order. ·nerve cells send message from skin to the brain ·body returned to normal temperature around 98.6 degrees f ·temperatures regulation center in the brain sends out signals ·body temperature exceeds 98.6 degrees f ·sweat glands throughout the body activate to cool off skin surface it is a 1 through 5 question in biology!