Answer:
Option (B)
Explanation:
A river that is diverted to the irrigating farmland during a drought is an example of the human-caused disturbances to an ecosystem.
An ecosystem refers to a particular community within which the organisms exist and interact with each other. For example, fresh water ecosystem, desert ecosystem and forest ecosystem.
In the given situation, the river channel is disturbed by changing its flow direction. This is caused by the human activity, that changes the course of the river channel to the farmlands during a flood, so that the water can provide nutrient to the soil and prevent the soil from getting eroded.
Thus, by doing this, the river ecosystem gets affected, as a result of which the organisms existing in this ecosystem such as fishes are affected.
Hence, the correct answer is option (B).
Answer:
D
Explanation:
Positive feedback loops are rarer than negative ones because of homeostasis, but they do occur. Negative feedback loops return to the set point in reverse, and positive feedback loops amplify a departure from the set point.
If the patient was started on nitroprusside and now has the following symptoms; nausea, heart failure, confusion, rapid breathing, and tachycardia it very well could be cyanide toxicity. The antidote that a pharmacist would recommend would be <span>Sodium thiosulfate + Sodium nitrite. Hydroxocobalamin can also be used as an antidote. It is very important the 55-year-old Hispanic female is given the antidote as soon as possible due to her renal insufficiency. </span>
In a solar system, there is a sun that is in the middle and has planets orbiting around it. The same way, the nucleus is in the middle with electrons orbiting the nucleus. <span />
The answer to your question is,
Adenine (A), Guanine (G), Cytosine (C), and Thymine (T).
-Mabel <3