Prepare a very brief opening statement that you would give to a group of people who are climate change/global warming doubters. Your statement must be three to four sentences long and present your argument that humans are the main cause of climate change and global warming. PLEASE HELP FAST

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

What must happen before a body cell can begin mitotic cell division

The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.