Answer:
Nitrate deficiency
Explanation:
Plants absorb nitrates in water through their roots. Nitrates are present in high levels in plant fertilisers. Without nitrates, the amount of chlorophyll in leaves reduces. This reduces the plant's ability to photosynthesise and grow properly, which reduces the farmers' crop yield .
The one which is responsible for transmitting an impulse across a synapse to another cell is the neurotransmitters. It allows the transmission of signals from one neuron to the next across synapses.
The correct answer among the choices is letter C.
Answer:
Unit of force is called derived unit because the unit of force is derived from two or more than two fundamental units. i.e. kg*m(s*s).
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The answer is B. When diatoms die and fall off the ocean column to the ocean floor, they become part of sediments over time. When they are mined and exposed, they turn to a diatomite. Diatomaceous earth is significant as a pest repellant because of its hygroscopic property and has very abrasive particle hence it absorbs the water-protective fats and oils from the outermost layer of insects.
Water that falls as precipitation<span> flows along the surface of the ground. This surface water infiltrates into the ground surface and is held in </span>soil pore spaces<span> and in the fractures of rock formations. Gaining access to groundwater sources therefore requires digging or drilling through the ground and into an aquifer.</span>
