Why might a scientist repeat an experiment if she did not make a mistake in the first one?

Read the scientific question below. "Does sunlight make plants live?" What is a likely hypothesis for the question?

Which of the following is the electron configuration for an electrically neutral atom of beryllium (Be) ? 1s^2 2s^2 1s2^2s2^2p^6 1s^22s^22p^4 1s^22s^22p^44d^2

Does The human brain retains more information than all the books in the Library of Congress

John walks at a steady speed of 3 mph. How long will it take him to travel 24 miles?

If I put 3 Cubes of sugar in water would it dissolve in to nothing and if I boiled the water would the sugar film

Which organelles are unique to plant cells? chloroplasts mitochondria vacuoles nuclei

An atom that has 13 protons and 15 neutrons is an isotope of the element? How can I count it?

Which element is nuclear fusion least likely to produce? hydrogen, which has an approximate mass of 1 chlorine, which has an approximate mass of 35 argon, which has an approximate mass of 39 silicon, which has an approximate mass of 28 I know the

How deep does the surface current known as the Gulf Stream go A. 3,000 meters B. 3 meters C. 300 meters

What characteristics of a planet determine the strength of its gravitational force on other objects? A. diameter of the planet and its location in space B. the number of moons that the planet has C.