Answer: i think, Endochondral ossification occurs at two distinct sites in the vertebrate long bone – the primary (diaphyseal) and the secondary (epiphyseal) sites of ossification. Bone development initiates at the primary site. The secondary (epiphyseal) site is under independent control and is ossified later (Figure 1b).
Answer;
Activation synthesis model of dreaming
Explanation;
-The activation-synthesis model suggests that dreams are caused by the physiological processes of the brain.
-According to activation synthesis hypothesis of dreaming, dreams are the brain's attempt to make sense of the random firing of the brain cells during REM sleep.
People impose meaning on random mental activity. This is a theory that dreams result from the brain's attempt to make sense of random neural signals that fire during sleep.
The correct answer is D. Vacuole
Explanation:
In cells, the vacuole is the organelle in which different substances or solutions are stored, this includes wastes, water, food, and even solids that the cell does not require because they are waste and therefore might contaminate the cell or substances the cell store to be used later. Due to this, the vacuole is a chamber that contains specialized membranes that allow certain substances to go in or out. Also, vacuoles can be found in plants, animals, fungi, among others although in organisms such as plants they are bigger. According to this, it is vacuoles the organelle that stores wastes, water or food.
A tract is used to describe a collection of axons in the brain stem
Answer: Natural resources are Earth materials used to support life and meet the needs of people. Any organic material used by humans can be considered as a natural resource. Natural resources include oil, coal, natural gas, metals, stone, and sand. Air, sunlight, soil, and water are other natural resources.
Or
Natural resources are resources that exist without any actions of humankind.
