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solniwko [45]
3 years ago
9

A device that increases or decreases the voltage of alternating current is a(n)

Biology
1 answer:
s344n2d4d5 [400]3 years ago
4 0

Answer:

transformer

Explanation:

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A permanent change in the DNA sequence of a gene
klemol [59]

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A mutation.

Explanation: When a cell mutates is will be permanently changed.

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2 years ago
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What is energy?
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answer is the ability to do work

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The theory of plate tectonics explains the movement of the plates by convection cells in which of
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Upper mantle I’m pretty sure !
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The population change equation is Population Change = (Natality - Mortality) + (Immigration - Emigration). Which equation would
Snezhnost [94]

Answer:

B. natality + immigration = mortality + emigration

Explanation:

Migration refers to the movement of a group of people from one geographical region (location) to another geographical destination in search of better living conditions, work or social amenities.

Migration selectivity can be defined as the likelihood or tendency that a subset (part) of a group of people are going to move (migrate) out of a particular geographical location or area.

Some of the factors that influence migration selectivity are income level, age, education, gender etc.

Population change equation states that the change in the size of a population over a specific period of time is equal to the sum of the number of births and the number of immigrants that joined.

Mathematically, the population change equation is given by the formula;

Population Change = (Natality - Mortality) + (Immigration - Emigration)

Therefore, the equation which would create a stable population is given by the formula;

Natality + immigration = mortality + emigration.

8 0
3 years ago
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A student claims that cellular respiration is essential to cells so that they have a means for getting rid of excess carbon diox
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1. Cellular respiration does not consume carbon dioxide (CO2).

Cellular respiration is a process by which plants produce energy. It consists of anaerobic (without O2) and aerobic phase(with the presence of O2). During the cellular respiration chemical energy derived from the nutrients (like glucose) is transformed into energy molecule adenosine triphosphate (ATP).

2. Unlike photosynthesis, cellular respiration occurs in all eukaryotic organisms (photosynthesis only in plants and some microorganisms). The processes of cellular respiration occur in cytosol (glycolysis) and in the mitochondrion of a cell (Krebs cycle and electron transport chain).


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