What are nucleons? A. Protons and electrons B. Protons and neutrons C. Protons D. Neutrons B. Protons and neutronsNucleon is the collective...Read More
Which device is used to measure the atmospheric humidity? A. Hygrometer B. Anemometer C. Auxanometer D. Photometer A. HygrometerA hygrometer is...Read More
Which is necessary for photosynthesis? A. Phosphorus B. Copper C. Chlorophyll D. Chloroform C. ChlorophyllPhotosynthesis is a biological process through which...Read More