Most of animal-like protists are heterotrophs
Answer:
Answer: b. developing more efficient methods of mining coal
Coal is a combustible black or brownish black sedimentary rock. Coal is produced by the dead plant matter. It is a fossil fuels that is used for generating electricity in the thermal power plants, used as cooking fuel, and fuel in automobiles. The burning of the coal results in the liberation of carbon dioxide, sulfur dioxide and carbon monoxide gases in the environment. These gases are responsible for causing the air pollution.
b. developing more efficient methods of mining coal is not a conservation tactic related to coal consumption because the more the efficient mining will promote the excavation of the coal which will further contribute to its extensive consumption and air pollution.
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Explanation:
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if you have options
your answer is going to be
To calculate the dry weight of the entire spinach plant
Biomass can be defined as the total quantity or the total weight of the organism in a given area or volume. In order to calculate the biomass of the plant dry weight of the plant parts such as its stem, leaves is taken into consideration. The net biomass does not include water or the moisture content of the plant.
Answer:
These findings led to the formation of the modern cell theory, which has three main additions: first, that DNA is passed between cells during cell division; second, that the cells of all organisms within a similar species are mostly the same, both structurally and chemically.
1. In 1683, Leewenhoek discovers bacteria.
2. In 1857, Kolliker describes mitochondria in muscle.
3. Ruska builds the the first transmission electron microscope.
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Answer:
The movement of potassium ions out of the axon.
Explanation:
The membrane potential or cell potential is the difference in the electric potential outside and inside of the cell. The cell potential is important for the transmission of nerve impulse.
The resting potential of the cells is -70mV. The movement of sodium ions causes the cell depolarization and makes the membrane potential more positive. The cells sometimes attain the more negative membrane potential stage known as hyperpolarization. This state mainly occur by the efflux or the movement of the potassium ions out of the axon.
Thus, the correct answer is option (A).