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Novosadov [1.4K]
3 years ago
8

Recycled plastics cannot be used to produce new food containers because _____. a.they are too hard to mold b.they cannot be plac

ed in a freezer c.they cannot be sterilized d.their molecules are too complex
Biology
1 answer:
Salsk061 [2.6K]3 years ago
3 0

Answer:

C

Explanation:

Research shows that plastic can absorb chemicals during waste management - after its disposal and before collection. The chemical may be hard to eliminate completely during recycling hence may be a source for contamination of food in food packaging after recycling. The risk for food contamination is definitely higher in second-hand plastic than in pristine plastic.

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Alcohol works as a central nervous system depressant by:
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3 years ago
The appearance or quality of light reflected from the surface of a mineral is known as ________.
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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.

To know more about luster refer to:  brainly.com/question/11192295

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8 0
2 years ago
The earliest hominin that belonged to the same genus as modern humans was probably
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5 0
3 years ago
Name &amp; describe the six essential activities of the digestive tract.
Crank

Answer:

Ingestion: Consuming something orally, whether it be food, drink, medicine, or other substance; the first step of digestion. bolus: a round mass of something, especially of chewed food in the mouth or alimentary canal.

Propulsion: Propulsion means to push forward or drive an object forward. A propulsion system is a machine that produces thrust to push an object forward. On airplanes, thrust is usually generated through some application of Newton's third law of action and reaction.

Mechanical Digestion: Mechanical digestion is a purely physical process that does not change the chemical nature of the food. Instead, it makes the food smaller to increase both surface area and mobility. It includes mastication, or chewing, as well as tongue movements that help break food into smaller bits and mix food with saliva.

Chemical Digestion: Chemical digestion involves the secretions of enzymes throughout your digestive tract. These enzymes break the chemical bonds that hold food particles together. This allows food to be broken down into small, digestible parts.

Absorption: Absorption is a condition in which something takes in another substance. The process of absorption means that a substance captures and transforms energy. The absorbent distributes the material it captures throughout whole and adsorbent only distributes it through the surface.

Defecation: Defecation is the term given for the act of expelling feces from the digestive tract via the anus.

Explanation:

Hope this helps <3

4 0
3 years ago
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