Fossils are the remains or impression of the dead animals and plants that lived in the past.
Answer:
Snake venom involves enzymes, proteins and substances with a cytotoxic, neurotoxic effect and coagulants.
Explanation:
Snake venom is very deadly because of the enzymes it contains. For example, Snake venom hinders cholinesterase which causes loss of muscle control.
Answer:Physical systems differ from social systems because a physical system refers to systems that rely on a group of physical parts to perform a function. Examples of a physical systems are solar systems or even an animals digestive system. Social systems are systems like an ant colony, wolf pack, or a town.
Explanation: