If you are told that a material is a base, what does that tell about the pH of the material?

Which theory is supported most by the finding that the moon is similar in composition to the outer portions of Earth? impact theory co-formation theory capture theory synchronous theory

A scientist is studying a sample of matter the matter has no definite shape or volume and it can conduct an electric current. The sample is most likely in which of the following states A. solid B. Liquid C. gas D. plasma

Higher mass protostars enter the main sequence: at the same rate, but at a higher luminosity and temperature. slower and at a lower luminosity and temperature. faster and at a higher luminosity and temperature.

How does matter change state and in what order?

A man uses a lever jack to lift a 2.00 x 10^3 kg car to change a tire. Each stroke of the jack lifts the car a distance of 5.00 x 10^-3 m. The vertical displacement of the handle is 0.75 m for each stroke.

Why oil does not dissolve in water?

Which element has the highest number of protons? a. Calcium b. Argon c. Xenon d. Radon

Which are the most common producers in aquatic ecosystems? a - bacteria b - algae c - fish d - plants

You push a piano 5 meters across the floor with a force of 400 n. how much work have you done?

Monochromatic electromagnetic radiation illuminates an area of a surface. The electric and magnetic fields of the waves are then doubled in magnitude.