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Furkat [3]
3 years ago
11

The atom with 69 neutrons and 50 protons has a mass number of

Chemistry
1 answer:
GalinKa [24]3 years ago
8 0

Name: Tin

Symbol: Sn

Atomic Number: 50

Atomic Mass: 118.71 amu

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Which statement correctly describes the transfer of energy in the food chain in the land​
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Answer:

The question lacks options, the options are:

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The answer is C

Explanation:

Organisms obtain energy in an ecosystem by feeding on one another in a chain called FOOD CHAIN. Energy is transferred when one organism feeds on another. A food chain always begins with a PRODUCER, which is an autotrophic organism capable of producing its own food via light energy from the sun.

In a terrestrial ecosystem, the energy a plant captures via Its Chlorophyll is used to produce food during photosynthesis. This energy is stored in the plants and transferred when a set of organisms called PRIMARY CONSUMER feeds on the plant. The transfer continues in that order till decomposers.

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As water freezes, a crystalline structure preserved by hydrogen bonding is formed by water molecules. Less dense than liquid water is solid water, or ice. Ice is less dense than water since molecules are pulled farther apart by the direction of hydrogen bonds, which decreases density.

Explanation:

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