Answer: The atoms in a gas move at high speed.
The atoms in a gas spread in all directions.
A gas is a state of matter in, which atoms remains in a constant motion, they do not stick together. They are free and can move in all directions. The gas molecules expands to fill the available space. Hence, they can change shape and volume. The gas atoms being in a molecular state moves fast in high speed to break away from each other, to remain in a free state.
phosphorus, soil, water, oxygen
Explanation:
Phosphorus, soil, water and oxygen are renewable resources that can be found freely on earth.
Renewable resources are natural resources that can easily be replenished as they are used either by natural means or through cyclic processes in our human life time.
- Phosphorus, soil, water and oxygen are easily replenished by natural processes and through the biogeochemical cycle of materials.
- Fossil fuels, trees are not renewable as they can easily be depleted.
- Non-renewable resources must be used sustainably to ensure their all round availability.
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Answer:
The pipe cleaners should be made circular to signify that prokaryotes do not have chromosomes
Explanation:
Prokaryotic and eukaryotic cells have a number of distinct features. Prokaryotes lack membrane-bound organelles, whereas eukaryotic cells are compartmentalised with different organelles performing different function.
As a result, prokaryotes no not possess a nucleus, where the DNA is housed in the cell. Eukaryoric DNA is organised into chromosomes. However, prokaryotic DNA is much more simple (and there is usually much less of it), and instead of forming chromosomes, it is organised into a singular, circular molecule, sometimes called the bacterial chromosome.
Therefore, the student will need to take one pipe cleaner and form a circle with it to make the bacterial DNA.
According to the research, the functions of the skin are to protect the body, helps the body cool down and it collects information from the surroundings.
<h3>What is the skin?</h3>
It is the border of the organism with the external environment that is made up of three main layers: epidermis, dermis and subcutaneous tissue.
Its function is the isolation and protection of the body against external aggressions, changes in temperature, adaptation and the connection of the individual with the surroundings.
Therefore, we can conclude that according to the research, the functions of the skin are to protect the body, helps the body cool down and it collects information from the surroundings.
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