Exercise
a quadrilateral PORS where PO = 4.5 cm, QR=3.5 cm,
RS = 5 cm. PS = 4 cm and PR = 6 cm.
Answers
The postulate of Dalton's atomic theory which is a result of the law of conservation of mass is: Atoms are indivisible particles, which can neither be created nor destroyed in a chemical reactionPlants meet their nutritional needs for growth by absorbing soil nutrients, water, and carbon dioxide, in addition to the required sunlight.Nutrients and water are absorbed through the plants root system.
Carbon dioxide is absorbed through the leaves.
From seedling to mature plant, there is a complex dynamic between plants and their environment (soil and atmosphere).
Key Terms
germinate: to sprout or produce buds
photosynthesis: the process by which plants and other photoautotrophs generate carbohydrates and oxygen from carbon dioxide, water, and light energy in chloroplasts
nutrient: a source of nourishment, such as food, that can be metabolized by an organism to give energy and build tissue
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