You get a muscle cramp (oh no !). A muscle cramp is caused by a sustained contraction even when you want the muscle to relax. Explain why the muscle can't relax right away (as a hint your answer would involve calcium and the sarcoplasmic reticulum ).​

x would be the most and the least would be y because there are more fruit   and seeds than flock z has insects

in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.