Answer:
He could make a macromolecule which is made up of carbon and hydrogen only.
Explanation:
An atom a fundamental piece of matter that constitutes a chemical element.
A molecule is a group of atoms bonded together. It represents the smallest fundamental unit of a chemical compound that can participate in a chemical reaction.
The red balls denote the hydrogen and black balls denote the carbon. He could make a macromolecule which is made up of carbon and hydrogen only.
The answer to your question is ''ice forming and then melting back into water''
I need more details! List your statements or something!
It’s weathering bc it has been smoothing by weathering and water erosion
Answer: a reaction in which energy is absorbed from the surroundings is called an endothermic reaction
Explanation: in in document reactions the enthalpy of the products is greater than the empathy of the reactants. exothermic reactions heat up their surroundings while endothermic reactions cool them down
