How does human development affect flooding? The changes in land use associated with urban development affect flooding in many ways. Removing vegetation and soil, grading the land surface, and constructing drainage networks increase runoff...
Is greenhouse effect good or bad for us why? The greenhouse effect is a good thing. It warms the planet to its comfortable average of 59 degrees Fahrenheit (15 degrees Celsius) and keeps life...
How much dry land is on the earth? Roughly 2.5 billion people – 30 percent of the world’s population – live in the dry areas, which cover more than 40 percent of the world’s...
Why is there a hole in the ozone layer? The main cause of ozone depletion and the ozone hole is manufactured chemicals, especially manufactured halocarbon refrigerants, solvents, propellants, and foam- blowing agents (chlorofluorocarbons (CFCs),...
What two molecules make up a chromosome? Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. Each chromosome is made of protein and a single molecule of deoxyribonucleic acid (DNA)....
How do you monitor a reaction? The rate can be determined by measuring: changes in the concentration of the reactants or products. changes in the mass of the reactants or products. changes in the...
What is the function of stoma in chloroplast? Plant chloroplasts are commonly found in guard cells located in plant leaves. Guard cells surround tiny pores called stomata, opening and closing them to allow for...
What is the fluid inside the chloroplast? Stroma, in botany, refers to the colorless fluid surrounding the grana within the chloroplast. Within the stroma are grana (stacks of thylakoid), and the sub-organelles or daughter...
What means yield in a chemical equation? In chemistry, yield, also referred to as reaction yield, is a measure of the quantity of moles of a product formed in relation to the reactant consumed,...
Why are electrons shared in covalent compounds quizlet? Why are electrons shared in covalent compounds? Non metals tend to have high electronegativity values and thus share electrons rather than lose them. Typically if a...