If water is split to form hydrogen and oxygen - is this a change of state and wht

What characteristics determined the classification of an organism in kingdoms?

How do changes in light wavelengths support the idea that the universe is expanding? A. Light from other galaxies shifts toward the blue end of the spectrum, which shows that the galaxies are moving away from Earth. B.

Which of the following scientists conducted early work on alternating current electricity?

A boy whirls a stone with uniform speed in a horizontal circle of radius 2 m and at height 2 m above the ground. The string breaks and the stone flies off horizontally and strikes the ground after traveling a horizontal distance of 2 m.

How do index contours let you know if the land you are viewing is increasing or decreasing in elevation?

A bar meter is used to measure

Three parachutists have the following masses: A: 50 kg, B: 40 kg, C: 75 kg Which one has the greatest terminal velocity?

A plane is flying horizontally at a height of 500 m and a constant speed of 429 km/h when an object is projected downward at an initial speed of 35.0 m/s.

Which statements are true? A. Science is a collection of facts that does not evolve. We have gained all the knowledge we can from science. B. Scientists observe natural events occurring around them.

How many types of quarks are there and what is the name of one of them