Write down 5 sentences about first aid

1 answer:

3 0

First aid is also used to help people who suddenly become sick, until help arrives or they can be taken to medical care. A person does not need much equipment to give first aid. A package of things useful to give first aid is called a first aid kit. Lives can be saved even without a first aid kit.

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Each row in the auditorium has 18 seats and 246 and teachers are going to watch an assembly in the auditorium how many rows of s

Romashka-Z-Leto [24]

Explanation:

We will divide the total number of the teachers (246) in the auditorium with the maximum number of seats per row (18) to determine how many rows are completely filled;

246/ 18 = 13.6667

We are only interested in rows that are completely filled which is the whole number;

= 13

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2 years ago

Which of the following is a type of tissue in plants that is dead at maturity?

victus00 [196]

Answer:

The correct answer will be option-B.

Explanation:

The plant tissues are composed of three types of cells: parenchyma, collenchyma and sclerenchyma.

The parenchyma and collenchyma remain alive at their maturity but sclerenchyma loses their protoplasm and become dead. These cells deposit lignin in their secondary walls and form hard tissues of the plant-like hard shell of a coconut. Sclerenchyma provides mechanical strength to the plant.

Thus, Option-B is the correct answer.

3 0

2 years ago

The cell theory eventually replaced the concept of spontaneous generation as a result of what experimental evidence?

miskamm [114]

Answer & explanation:

The cell was discovered in 1669 by the English scientist Robert Hooke when looking at a piece of tissue in a two-lens microscope. Hooke was able to visualize small cavities in the experiment piece, then naming such cell cavities.

Only a century and a half after the discovery of the cell, that the Cell Theory was launched, replacing the theory of spontaneous generation (or abiogenesis).

Before that, many scientists were already busy understanding the structure and functioning of the cell, generating knowledge that became fundamental to the development of biology, specifically cytology, a branch of science that studies the structure, functions and development of cells.

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2 years ago

What does a pyramid of biomass represent? A. Range of food webs found in one trophic level B. Percentage of energy that's passed

Klio2033 [76]

The pyramid of biomass represents a range of food webs found in one trophic level

A pyramid of biomass refers to graphical representation of biomass that is present per unit area of all the various trophic levels of the ecosystem.

<h2>Further Explanation</h2>

The graphical representation shows the relationship between biomass and trophic level that quantify the biomass that is present in each trophic level of energy community at a given period of time.

There are two types of pyramid of biomass, they include

Inverted pyramid of biomass
The upright pyramid of biomass

Inverted pyramid of biomass: a very good example of inverted pyramid can be seen in a case of pond ecosystem, where major producers in the ecosystem (mass of phytoplankton) will be lower than the mass of heterotrophs, such as insects.

The upright pyramid: The first thing on the upright pyramid is the producers, such as plants. The plants are present at the bottom level of the pyramid and followed by consumers.

Within the pyramid, the highest level is occupied by the carnivores; they are the lowest quantified amount of biomass. In upright pyramid the total weight of the producers is far more than when the weights of all the consumers are combined.

However, the main issues with the pyramid of biomass are that every trophic level of the pyramid seems to have more energy than it does.

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