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Which has the longest residence time on continents?
Methane has the longest residence time on continents among the greenhouse gases, due to its lower reactivity and slower rate of removal from the atmosphere.
How does pesticide resistance develop over time?
The pesticide resistance develops over time due to the natural selection.
What are the commonly used residence time units in the field of environmental engineering?
Commonly used residence time units in environmental engineering include seconds, minutes, hours, days, and years. These units are used to measure the amount of time a substance remains in a specific environment or system.
The length of time it takes a pesticide to pass through a material to reach the skin is called what?
The length of time it takes a pesticide to pass through a material to reach the skin is called the "penetration time."
What is the formula for calculating residence time?
the hydraulic residence time t is given by t=V/q where V is the volume in the tank and q is the volumetric flow rate. A theoretical residence time can be given by the relationship between concentration and time ln(C)=-(t/tav) where tav in this equation is the residence time.
When was The Longest Time created?
The Longest Time was created in 1983.
Why do pesticides become ineffective over time?
Pesticides can become ineffective over time due to the development of resistance in target pests, where they evolve to withstand the pesticide's effects. Additionally, repeated use of the same pesticide can lead to the buildup of residues in the environment, reducing its effectiveness. Environmental factors like temperature, humidity, and soil type can also affect the breakdown and efficacy of pesticides.
How long does pesticide last on grass and what factors can affect its duration of effectiveness?
Pesticides can last on grass for varying lengths of time, typically ranging from a few days to a few weeks. Factors that can affect the duration of effectiveness include the type of pesticide used, weather conditions, application method, and the presence of other chemicals or substances in the environment.
How long does it take for a spider to die after being exposed to a certain pesticide?
The time it takes for a spider to die after being exposed to a pesticide can vary depending on the type of pesticide and the size and species of the spider. In general, it can take anywhere from a few minutes to a few hours for a spider to die after being exposed to a pesticide.
Is a pesticide resistant bug caused by a mutation or an adaptation?
A pesticide-resistant bug is typically caused by a mutation in its genetic makeup that enables it to survive exposure to the pesticide. Over time, this mutation allows the bug to develop an adaptation to the pesticide, making it more difficult to control.
What animal stand on its feet for the longest time?
what animal can stand the longest time
What is residence time of gas?
Residence time in the boiler is typically two to five seconds, and the particles must be small enough for complete combustion to have taken place during this time. The ratio of gas occupied to a particular volume is called residence time based on gas.
