Some species are able to reproduce at a fast rate, creating large populations that ensure some individuals will survive.
When an energy source is renewable it is able to be continuously used without end and it usually does not harm the environment. <span />
The appearance or quality of light reflected from the surface of a mineral is known as luster.
In mineralogy, luster refers to how a mineral surface appears in terms of its capacity to reflect light. The degree of transparency, diaphaneity, and structure of a mineral all affect its luster.
A mineral's ability to reflect light is referred to as luster. The first step in identifying a mineral is to measure it. Always examine a brand-new surface for luster; you might need to remove a tiny amount of material to reveal a clean sample. Metallic luster, which is extremely reflective and opaque, to dull luster (non-reflective and opaque.)
Mineralogists use the physical characteristic of luster to identify minerals. A mineral's luster defines how its exterior reflects light and how its inside may bend or refract light. Some minerals have a metallic sheen, while others don't.
A mineral reflects light by having a luster. The two main categories of luster are described by the labels metallic and nonmetallic. The most popular words for luster are shown in Table 7, along with an illustration of a comparable mineral. Some minerals are described as "earthy," "chalky," or "dull" because they lack luster.
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The following equipments would be needed to bring one liter of water to 85°C: graduated cylinder, beaker, thermometer and hot plate.
SCIENTIFIC EQUIPMENT:
- Scientific equipments are required to make scientific works conducted in the laboratory achievable. Different scientific equipments perform varying functions and they collectively help to achieve tasks.
- The following are scientific equipments that would be used to bring one liter of water to 85°C:
- Graduated cylinder: The graduated cylinder is a calibrated cylindrical flask used to measure the volume of a liquid substance. The graduated cylinder would be used to measure one liter of water.
- Beaker: The beaker is a flask used to hold liquid substances and reagents. The beaker would be used to hold 1L of water.
- Hot plate: Hotplate is an equipment that is used to boil the water to the desired temperature.
- Thermometer: Thermometer is a device used for measuring the temperature of a substance. The thermometer would be used to measure the temperature of water to 85°C.
Hence, the following equipments would be needed to bring one liter of water to 85°C: graduated cylinder, beaker, thermometer and hot plate.
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