Is science open to change (can scientific therories change) if new evidence is presented

Which one of the following represents the number of units of each substance taking part in a reaction? A. Coefficient B. Equation C. Product D. Reactant

What is the speed of a wave with 3Hz frequency and a wavelength of 9 m

1. The Sun orbits the center of the Milky Way. True False

A positively charged insulating rod is brought close to an object that is suspended by a string. If the object is attracted toward the rod we can conclude: a. the object is positively charged b. the object is negatively charged c.

All compounds are made of A.) atoms of two or more elements B.) two or more atoms of the same element C.) atoms arranged in a crystal D.) atoms joined by covalent bonds I think its D.) but im not sure.!

tessa bought stock in a restaurant for $287.00 her stock is now worth $401.80 what is the percentage increase of the value of Tessa's stock?

Withholding Judgment on the mentally Ill is wise because It saves you from embarrassing yourself often people have disorders that don't affect you then you can try to understand what a person is experiencing all of the above

A 1200 W refrigerator, a 1500 W electric frying pan, and a 200 W lamp are plugged into the same outlet in a 15 A, 220 V circuit. (these devices are in parallel when plugged into the same socket.) What current (in A) is drawn by refrigerator?

1. Calculate the total resistance for a 650 ohm, a 350 ohm, and a 1000 ohm resistor connected in series.

What is the study of motion of objects, and related concepts of force and energy