Plz help me with this question below This image above shows an actin and a Myosin filament in a relaxed muscle. Describe what would change in each picture when the muscle contracts.

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.

Joan writes four numbers on the board in standard form, and then she writes their scientific notation

All motion is caused by force? true or false