Multiple factors may work together to cause it, such as: Things in the environment (called allergens) that affected you as a baby or young child, which may include cigarette smoke or certain germs Viral infections that affect breathing Family history, such as a parent who has asthma (especially your mother)
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What could have caused?
could have pretended. could be caused. could have punched. could have spoken. could have waltzed. could have predicted. could have died. could have escaped. could have scored.
What caused the accident?
- A person is fatally or seriously injured.
- The aircraft sustains damage or structural failure that adversely affects the structural strength, performance, or flight characteristics of the aircraft and would normally require major repair or replacement of the ...
- The aircraft is missing or completely inaccessible.
What does causing mean?
Whichever team doesn’t score during an end will get the hammer in the next round - this sometimes causes teams to avoid scoring just a single point, instead preferring to retain the hammer and score more heavily in the next end. It is retained if neither ...
What is the definition of causing?
Noun. 1. causing - the act of causing something to happen. causation. human action, human activity, act, deed - something that people do or cause to happen. sending - the act of causing something to go (especially messages) trigger, initiation, induction - an act that sets in motion some course of events.
What was the cause of the Little Ice Age?
For example, a decrease in solar activity coupled with an increase in volcanic activity is thought to have helped trigger the Little Ice Age between approximately 1650 and 1850, when Greenland cooled from 1410 to the 1720s and glaciers advanced in the Alps.
Why are synthetic compounds released into the atmosphere?
Synthetic compounds entirely of industrial origin used in a number of applications, but now largely regulated in production and release to the atmosphere by international agreement for their ability to contribute to destruction of the ozone layer. They are also greenhouse gases.
Why does Mars have a frozen surface?
Because of the low atmospheric pressure, and with little to no methane or water vapor to reinforce the weak greenhouse effect, Mars has a largely frozen surface that shows no evidence of life. Too much greenhouse effect: The atmosphere of Venus, like Mars, is nearly all carbon dioxide. But Venus has about 154,000 times as much carbon dioxide in its ...
How is carbon dioxide released?
A minor but very important component of the atmosphere, carbon dioxide is released through natural processes such as respiration and volcano eruptions and through human activities such as deforestation, land use changes, and burning fossil fuels.
What factors can affect crop yield?
However, other factors, such as changing temperatures, ozone, and water and nutrient constraints, may more than counteract anypotential increase in yield. If optimal temperature ranges for some crops are exceeded, earlier possible gains in yield may be reduced or reversed altogether.
What is the gas produced by humans?
Methane. A hydrocarbon gas produced both through natural sources and human activities, including the decomposition of wastes in landfills, agriculture, and especially rice cultivation, as well as ruminant digestion and manure management associated with domestic livestock.
What is the name of the gas produced by soil cultivation practices?
Nitrous oxide. A powerful greenhouse gas produced by soil cultivation practices, especially the use of commercial and organic fertilizers, fossil fuel combustion, nitric acid production, and biomass burning. Chlorofluorocarbons (CFCs).
Why was the Rwandan genocide triggered?
The infamous Rwandan genocide was triggered by the tensions between the Hutus and Tutsis. There are no noticeable differences between the two communities as they both use the same Bantu languages together with French, and mainly observe Christianity. Geneticists have attempted to discover differences between them and the research has found ...
Why did the militia and soldiers begin with executing moderate Hutu and influential Tutsis in the political and
The militia and soldiers began with executing moderate Hutu and influential Tutsis in the political and military spheres to deter anyone who would have assumed political control in the chaos. Barricades and checkpoints were subsequently erected to examine identification documents and execute Tutsis.
What is the genetic kinship between the Hutus and the Bantu?
The Hutu genetic kinship is closely linked to that of neighboring Bantu populations, especially the Tutsi. It remains unclear whether this situation resulted from intermarriages or common origins. Hutus have Rwanda-Rundi as their indigenous tongue and French from colonialization.
