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Effectus [21]
3 years ago
8

A substrate control is what type of sample? ContaminatedSoilRockUncontaminated

Biology
2 answers:
nevsk [136]3 years ago
6 0
Uncontaminated. it allows researchers or forensics to compare it with another sample
Anuta_ua [19.1K]3 years ago
5 0

Answer: uncontaminated

Explanation:

A substrate which is used as a control in research or experiments, is uncontaminated type of substrate. This substrate is used to compare, match or vaildation of results with the samples.

This control substrate allows it to compare with other variables and their results in an experiment.

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_ is a term that describes the number and variety of species that live in an area.
sweet [91]

Answer:

Biodiversity

Explanation:

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Sustainability is how biological systems remain diverse and productive.

Ecological Footprint is the impact of human activities measured in terms of the area of biologically productive land and water required to produce the goods consumed and to assimilate the wastes generated.

Agriculture is the science of raising plants and/or animals for food, clothing or other useful products or the practice of cultivating the land or raising stock.

4 0
3 years ago
Measuring the
earnstyle [38]
Measuring the volume of an object you are finding the amount of three dimensional space the object occupies
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The bottom line difference between passive and active transport through a cell membrane’s is
Ahat [919]
<h3><u>Answer;</u></h3>

Active transport uses energy and passive transport does not

<h3><u>Explanation</u>;</h3>
  • <u>Passive transport occurs when materials move across cell membranes without using cell energy (ATP). </u> Examples of passive transport include; diffusion, facilitated diffusion, and osmosis. It moves small molecules like water, oxygen, carbon dioxide and glucose.
  • <em><u>Active transport on the other hand involves the movement of materials across the cell membrane that requires the use of cell energy (ATP)</u></em>.
  • In other words the difference between active transport and passive transport is that passive Transport moves ions from high concentration to low, using no metabolic energy while active Transport moves ions from low concentration to high, using metabolic energy in the form of ATP.
8 0
2 years ago
Carbohydrates contain _____.
Gwar [14]

Answer:

D

Explanation:

Carbo (Carbon) Hydr (hydrogen) Ates (Oxygen)

8 0
2 years ago
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The cell membrane similar to our integumentray system because
vlabodo [156]

Answer:

The integumentary system is similar to a cell membrane in that both structures create a protective barrier against the outside world. How is a nerve cell specialized? Neurons have specialize cell parts called dendrites and axons. Dendrites bring electrical signals to the cell body and axons take information away from the cell body.

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