Identify whether each item is an example of science or technology.

windmill - Technology?

maglev train - Technology?

2) If the current in any circuit reach to infinity then its resistance becomes

Which statement best describes why an island food web could be considered a closed system? A) Energy flows freely into and out of the island food web. B) Energy enters and exits the system, matter does not.

A planet in our solar system is located far from the sun. Describe the size and composition of this planet.

1. A 12 kg barrel is pulled up by a rope. The barrel accelerates at 1.2 m/s2. Find the force exerted by the rope. Show all your work.

The gas tank of a certain luxury automobile holds 22.3 gallons according to the owner's manual. if the density of gasoline is 0.8206 g/ml, determine the mass in kilograms and pounds of the fuel in a full tank.

Describe the factors that form deep currents

A comet is cruising through the solar system at a speed of 50000 kilometers per hour for 4 hours time. What is the total distance traveled by the comet during this time in kilometers, miles, and light years?

A gas in a closed container is heated with 12J of energy, causing the lid of the container to rise 3m with 5N of force. What is the total change in energy?

What are illuminated objects?

During one year a population of blue jays has zero population growth. which must be true about the blue jay population at the end of the year compared to the beginning of the year?