Which equation is correctly balanced? a.) CaO + 2H O → Ca(OH) 2 2 b.)NH + 2O → HNO + HO 3 2 3 2 c.)Ca(OH) + 2H PO → Ca (PO ) + 3H O 2 34 342 2 d.)Cu + H SO → CuSO + H O + SO 24 42 2

Select the correct answer from each drop-down menu.describe what happens to a carbon-11 atom when it undergoes positron emission.the decay of a carbon-11 atom _1_, and this causes it to emit _2_.options for 1: > changes a neutron into a proton> changes a proton into a neutron> is hit with a neutron> reconfigures its protons and neutronsoptions for 2: > a negatively charged electron-sized particle> a positively charged election-sized particle> two atoms and several neutrons> two neutrons and two protons

The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll

What are the two largest greenhouse gases