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Answers
Answer:
7. When the solution equilibrium point is reached and no more solute will dissolve, the solution is said to be saturated. A saturated solution is a solution that contains the maximum amount of solute that is capable of being dissolved. At 20°C, the maximum amount of NaCl that will dissolve in 100. g of water is 36.0 g.
8. Leaves provide food and air to help a plant stay healthy and grow. Through photosynthesis, leaves turn light energy into food. Through pores, or stomata, leaves “breathe” in carbon dioxide and “breathe” out oxygen. Leaves also release excess water, much like we sweat.
9. The skeletal system is composed of four main fibrous and mineralized connective tissues : bones, ligaments, tendons, and joints.
10. Rotting, burning, cooking, and rusting are all further types of chemical changes.
Explanation:
Answer:
7. A saturated solution is solution that contains the maximum amount of solute that is capable of being dissolved.
8. Leaves help in which two process :
- Photosynthesis
- Gas exchange
9. The four parts of the human skeleton :
- Bones
- Ligaments
- Tendons
- Joints
10. The two examples of physical exchange :
- Boiling water
- Melting an ice cube
Explanation:
More points to know :
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➡️What is Photosynthesis :
The process by which green plants transform light energy into chemical energy.
➡️What do you mean by Gas exchange :
In plants, they require oxygen for respiration and carbon dioxide for photosynthesis. The gases diffuse into the intercellular spaces of the leaf pores.