What are some positive and negative effects of migration? Country losing people Advantages Disadvantages Decreases pressure on jobs and resources Gender imbalances are caused as it is typically men who seek to find employment elsewhere. Women and children are left Migrants may return with new skills ‘Brain drain’ if many skilled workers leave What are […]
What are the special features of desert plants?
What are the special features of desert plants? Features of Desert Plants Low Water Requirements. Desert plant survival depends on being able to exist on very little rainfall. Small or No Leaves. Moisture evaporates through leaves. Thorns. Many desert plants have needles or thorns. Ability to Quickly Absorb Water. What causes a desert to form? […]
Is running 11 mph fast?
What is a symbol for a stationary front?
What is a symbol for a stationary front? A stationary front is represented by alternating blue and red lines with blue triangles pointing towards the warmer air and red semicircles pointing towards the colder air. A noticeable temperature change and/or shift in wind direction is commonly observed when crossing from one side of a stationary […]
Which coal is best quality?
Which coal is best quality? Anthracite What is the best type of coal? anthracite Which coal has highest ash content? lignite What is the purest form of coal? High grade (HG) and ultra high grade (UHG) anthracite are the highest grades of anthracite coal. They are the purest forms of coal, having the highest degree […]
What is the relationship of kinetic and potential energy?
What is the relationship of kinetic and potential energy? The primary relationship between the two is their ability to transform into each other. In other words, potential energy transforms into kinetic energy, and kinetic energy converts into potential energy, and then back again. At what position does the ball have the greatest potential energy? The […]
How can we overcome modal dispersion?
How can we overcome modal dispersion? One way to reduce modal dispersion is to use graded-index fiber. Unlike the two distinct materials in a step-index fiber, the graded-index fiber’s cladding is doped so that the refractive index gradually decreases over many layers. Which type of fiber has highest modal dispersion? Multimode fiber What is difference […]
Is it a look or take Alook?
Is it a look or take Alook? The difference between “have a look” and “take a look” is geographical rather than semantic. The former phrase is usually used in the UK, whereas the latter is usually used in the USA. Is have a look formal? Both of the sentences that you suggested are grammatically correct, […]
What are the products in CH4 O2 CH4 CO2 H2O?
What are the products in CH4 O2 CH4 CO2 H2O? The reaction is named as combustion reaction. When this reaction takes place, the result is carbon dioxide (CO2), water (H2O), and a great deal of energy. Burning methane releases only carbon dioxide and water. What is the balanced equation for C3H8 O2 CO2 H2O? There […]
How do you know if a sample is representative?
How do you know if a sample is representative? A representative sample should be an unbiased reflection of what the population is like. There are many ways to evaluate representativeness—gender, age, socioeconomic status, profession, education, chronic illness, even personality or pet ownership. What percentage of sample is representative? For example, in a population of 1,000 […]