In an experiment plants are fed once daily for one week. there are four plants the first is given oil, the second one vinegar, third one water and fourth one sugar. what is the manipulated variable?

Endeleev saw trends in the physical and chemical properties of elements when he organized them by

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

Select the correct answer a modure consists of glucose and water. what is the percent composition of glucose in the mixture if it contains 1.3 moles of glucose (cho total mass of the mature is 276 grams? ) and the a 1775