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kozerog [31]
3 years ago
8

On a prairie, the food chains start with plants, which produce food during __________.

Biology
2 answers:
saw5 [17]3 years ago
5 0
Is there any answer key.
Ratling [72]3 years ago
4 0
The process of photosynthesis

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What is the purpose of ethical guidelines for the handling of experimental subjects
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The purpose of ethical guidelines for handling of experimental subjects is to ensure the safety and well-being of all living creatures in an experiment. Ethical guidelines include issues such as human rights, animal welfare, safety compliance with the law, conflicts of interest, health standards.

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Forced expiratory volume is the percentage of the ____________ that can be expelled in a specific period of time. this value is
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<span>Forced expiratory volume is the percentage of the vital capacity that can be expelled in a specific period of time. This value is obtained by inspiring as much air as possible and then expelling the air from the lungs as quickly as possible. Individuals with decreased ability to expire typically exhibit decreased FEV values. Maximum voluntary ventilation is the greatest amount of air that can be taken into, and then expelled from, the lungs</span>
8 0
4 years ago
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Match the mountain range with its formation. 1. Appalachian 2. North American Cordillera 3. Aleutian 4. Andes A. Two continents
melisa1 [442]

Appalachian: A. Two continents colliding.


The Appalachian mountain range is an ancient example of a collision between two continental plates. Both plates have low density and little subduction occurs between them.


North American Cordillera: B. Terrane accretion


These form when two continents that collided bonded so tight that it forms a permanent land mass. If the continents would pull away from each other, the terrane stays intact.


Aleutian plate: D. Oceanic convergence


This is a type of convergence where one plate subducts beneath another plate. Between the two, the older plate is usually the one that subducts because it is usually more dense.


Andes mountain range: C. An oceanic plate and continental plate colliding.


In the collision between an oceanic and continental plate, the thinner and more dense oceanic plate subducts under the continental plate. The Andes mountain range was formed by the subduction of the Nazca Plate beneath the South american Plate.


3 0
3 years ago
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A transmission electron microscope would be the best microscope choice to study _______. A. Structures smaller than cells b. Sin
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TEM is a microscope that uses an electron beam. A transmission electron microscope is best for the study of structures smaller than cells.

<h2>TEM (Transmission Electron Microscope):</h2>
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  • It gives the highest resolution(0.2 nm) of available microscopes.
  • It has the highest magnification power (1000000) of very tiny organelles.

Therefore, a transmission electron microscope is best for the study of structures smaller than cells.

Learn more about TEM:

brainly.com/question/550209

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