Which chemical property is most important in determining soil characteristics? Soil pH. Soil pH is perhaps the single most important aspect of soil chemistry, because it affects the availability of nutrients to plants and the activity of microorganisms in the soil. Soil pH is a measure of the number of hydrogen ions (H+) present in […]
What is hydropower advantages and disadvantages?
What is hydropower advantages and disadvantages? Pros and cons of hydropower Pros of hydropower Cons of hydropower Renewable energy source Some adverse environmental impact Pairs well with other renewables Expensive up-front Can meet peak electricity demand Lack of available reservoirs Where was hydropower first used? Northumberland How long has hydropower been used? Humans have been […]
What type of element is sodium na?
Which star is the coolest in the HR diagram?
Which star is the coolest in the HR diagram? There are 3 main regions (or evolutionary stages) of the HR diagram: The main sequence stretching from the upper left (hot, luminous stars) to the bottom right (cool, faint stars) dominates the HR diagram. red giant and supergiant stars (luminosity classes I through III) occupy the […]
Who used the radial pulse of Cepheid star to measure the distance of the star from Earth?
Who used the radial pulse of Cepheid star to measure the distance of the star from Earth? Leavitt Why are there two dips in the Lightcurve in each period? During eclipses of either star, two sharp dips are observed in the light curve. The dips in brightness are caused by the combined areas during the […]
How do you report burn codes?
What are the 3 principles of sports nutrition?
What are the 3 principles of sports nutrition? THE PRINCIPLES OF SPORTS NUTRITION. Presented by: Kathy Wilson, RD LHS Family and Consumer Science Teacher. Provide fuel for your muscles. Aim for a well-balanced diet: Consume a variety of whole grains, vegetables, and fruits; lean protein sources; and healthy fats. • vegetables. • and beans. What […]
What is the 4 types of galaxies?
What is the 4 types of galaxies? In 1936, Hubble debuted a way to classify galaxies, grouping them into four main types: spiral galaxies, lenticular galaxies, elliptical galaxies, and irregular galaxies. Can you identify a galaxy? Astronomer Edwin Hubble, after whom the space telescope is named, classified galaxies according to shape. The Hubble scale chart […]
What is the force required to produce an acceleration of 9.8m S² on a body of mass 1kg?
What is the force required to produce an acceleration of 9.8m S² on a body of mass 1kg? Answer. Explanation: gravitationalgravitational force is a force required to produce an acceleration of 9.8 metre per second square on a body of weight 9.8 Newton . How much acceleration is gained by a body of mass 2 […]
What is the aim of sustainable development?
What is the aim of sustainable development? The aim of sustainable development is to balance our economic, environmental and social needs, allowing prosperity for now and future generations. Why is sustainable development important in points? Sustainable development encourages us to conserve and enhance our resource base, by gradually changing the ways in which we develop […]