B
Electrons are found in shells or orbitals that surround the nucleus of an atom
Answer: 2nd option
Explanation: took the quizz
A saturated solution is prepared by continuously adding solute to the solution until a stage is reached where the solute appears as a solid precipitate or as crystals to form a highly saturated solution. Consider the process of adding table sugar to a container of water.
B. False. It is banned worldwide for agricultural uses. The <span>use of DDT is still authorized in small proportions in countries that need it, with support deployed for the alteration to safer and more effective alternatives.</span>
