One cause of muscle soreness during exercise is

Like what above me said, Over-Straining yourself, or basically pushing yourself to the limit is a cause

Fossil found in strata reveal that unused body part decrease in size

This is what i found on google“ the monomers combine with each other via covalent bonds to form larger molecules known as polymers. in doing so, monomers release water molecules as byproducts. this type of reaction is known as dehydration synthesis, which means “to put together while losing water. in the process, a water molecule is formed.” i hope this you