Answer:
The answer would be A, only chloroplasts and vacuoles are found in plant cells. :)
The correct answer is option (a). Parent material
The soil horizon refers to distinct layers of the soils, which are parallel to one another, but have a different composition from the layer present above and below to it.
The soil horizon can be divided into four different layers. First one is organic layer, which is the topmost layer, below this layer second layer of topsoil is present. Below top soil, subsoil is present. Below subsoil, the bottom most horizon parent material is present.
Not sure what you mean by "witch label" but energy is released from ATP when one of the three phosphates is separated from the rest, converting ATP into ADP and releasing energy. I believe the process is just called ATP hydrolysis although there may be a term I'm unaware of.
The correct answer is the suprachiasmatic nucleus of the hypothalamus. The suprachiasmatic nucleus, as the name suggests, is the part of the hypothalamus located in right above above the optic chiasm. The main function of the suprachiasmatic nucleus is mainly responsible for the circadian rhythm of the body therefore the physiological activity on daily cycles.