The cell membrane<span> is selectively permeable to ions and organic molecules and controls the movement of substances in and out of </span>cells<span>. The basic </span>function of the cell membrane<span> is to protect the </span>cell<span> from its surroundings. It consists of the phospholipid bilayer with embedded proteins.</span>
Answer: Representative of his cognitive development.
The preschool period refers to the years the age between 3 and 5 years considered as the preschool period. In this period Physical development occurs at slower pace than cognitive and psychosocial development. The maturation of brain of preschoolers continues. They demonstrate their ability to think more complexly by classifying objects by questioning. Children become aware of cause-and-effect relationships.
<span>the answer for this is Thalamus</span>
Acid precipitation is rain, snow, or fog with a pH lower than 5.2 making it more acidic. This is important to living organisms because compounds created by the burning of fossil fuels react with water in the air to formacids that fall to Earth.
Unlike ionic bonds, covalent bonds involve the sharing of electrons between atoms.
- - Final answer: <span>b. sharing of electrons between atoms.</span>
