<span>Most sandstone is composed of quartz or feldspar </span>
Answer:
metamorphic rock
Explanation:
metamorphic rock simply means that the rocks have been geophysically altered. heat is always a primary source for alteratino of rock so the heat ofmolten rock generated by hot spots can easily cause an abundance of metamorphic rocks within the system
because the total time for restoration is lengthy, peat can be considered a fossil fuel. The correct option is B.
<h3>What exactly are fossil fuels?</h3>
Fossil fuels are fuels derived from the remains of dead plants and animals that decomposed over time under intense heat and pressure.
Because their replenishment time is longer than a human lifetime, fossil fuels are non-renewable energy sources.
Some examples of fossil fuels are petroleum, coal, etc.
The missing options of the question are:
- peat is a fossil fuel because rewetting it takes only 3-5 years.
- peat is a fossil fuel because the total time for restoration is lengthy.
- peat is not a fossil fuel because it has biologic origins, making it a biofuel.
- peat is not a fossil fuel because humans can promote the replenishment of peat.
The restoration process of peat takes a long time of more than 100 years. As a result, because the total time for restoration is lengthy, peat can be considered a fossil fuel.
Thus, the correct option is B.
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The statements that are true of heterogeneous mixtures are: they settle out and the proportions of solute to solvent may vary. The correct answer is option A. 1 and 2. Heterogeneous mixtures are considered mixtures wherein the components are not uniform and still retain their properties. Characteristics of heterogeneous mixtures are: the ratio of solute and solvent is not equal, the substances can be separated physically and they still retain their properties even if mixed with another substance.
Answer:
D. Cytokines
Explanation:
I would utilize Cytokines to recruit more leukocytes to the battle.
Cytokines are important chemical messengers that act via receptors in the immune system of the body. They are a group of proteins made by various immune cells. Immune cells communicate through Cytokines in regulating immune response
