Answer:
B. bituminous
Explanation:
Bituminous coal is an organic sedimentary rock produced by compression of peat bog material by diagenesis and submetamorphics.
Bituminous coal has low moisture and high carbon content and hence used for the production of steel and cement, coke production an electricity generation.
Coking coal is a type of Bituminous coal are best used as fuel dource in metal industry having very narrow range of volatility and plasticity. Volatility is maintained by smelters to optimize the ease of burn rate, ignition, and energy output of the coal as this determines the burn rate of the coal.
Hence, the correct option is B. bituminous.
The process that is responsible for causing menstruation is called menstrual cycle. Menstrual cycle is the natural change that occurs specifically in the ovaries and uterus or in the female reproductive system that gives possibility to pregnancy. This process is required for the ovocytes to be produced, and also for the uterus to be prepared for pregnancy.
Answer:
A
Explanation:
fertilization because it will fertile to create a baby
<span>A. genetic variation in species
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Answer:
d. neither the light reactions nor the Calvin cycle
Explanation:
Calvin cycle is the name given to a set of chemical reactions that occur in the chloroplast stroma. The chemical reactions that make up the Calvin cycle occur in the carbon fixation step, one of the photosynthesis phases. In this cycle, CO2 is reduced to glyceraldehyde 3-phosphate and ribulose 1.5 bisphosphate, CO2-acceptor, is regenerated.
Photosynthesis is initiated by light reactions, which use light energy to store and transport energy-supplying molecules such as ATP and NADPH.
Neither the Calvin Cycle nor light reactions requires glucose, these processes are initiated by other molecules and are intended to provide products for photosynthesis to occur.
