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1 Name the greenhouse gases and in each case gives one source.2 Explain how the build-up of these gases is contributing to the greenhouse effect.3 What are some of the consequences of global warming?4 What could humans be doing to reduce global warming?5 What are the consequences of deforestation?6 Why is there large scale clearance of forests?7 What are pesticides?8 pesticides like DDT is now banned from most industrialised countries.9 What property of soot particles affects photosynthesis?10 Why is carbon monoxide a deadly gas?11A Lake is situated near a factory that burns coal. How may the lake be affected in years to come ifA) There is no smoke control at the factory,B) There is no smoke control worldwide?Explain your answers.12 How are the lives of people who live by polluted rivers and catch fish from them put at risk?13 The water flowing through a village had such low levels of mercury in it that it was considered safe to drink. Many of the villagers showed signs of mercury poisoning. How could this be?14 How does oil floating on the surface of the sea affect the organisms living under it?15 What kind of fertiliser gives you the greater control over providing minerals for a crop? Explain your answer.16 If a farmer uses only inorganic fertilisers how may the the soil organisms be affected?17 How does the use of herbicides on a farm affect the honey production of a local bee keeper?Explain your answer.18 You have a field of weeds and need to plant a crop in it.How could you use pesticides to prepare the ground for your crop and protect it while it is growing?
Let's assume for this problem that the world is divided into blue-eyed people and brown-eyed people. Let's also assume for the sake of simplicity that there is only one gene responsible for eye color and that the allele for brown eyes.
Discuss the differences between bird and mammalian reproduction, both in anatomy and physiology and Define and compare and contrast populations, communities, and ecosystems.
A corn plant is homozygous for a mutant allele that results in no pigment in the seed. The mutant is caused through Ds insertion that often exits late in the seed development,
define how prokaryotes and eukaryotes provide different. What does each category tell you about evolution; pick one from an early era and one from today or recent times.
Suppose you poured iodine on your plate and notesed clearing in the uninoculated area, as well as around both of your transferred cultures. What are some possible explanations for this occurrence?
Of the following, which kingdom contains the most diversity in terms of DNA sequences?
diagram a G-C basepair as present in double stranded DNA.Properly number all C and N atoms in the rings.Clearly indicate the hydrogen bonds and properly orient the pentose sugars and phosophates.You should also represent all funtional groups and a..
The global community is plagued by increasing incidence of lung cancer, colorectal cancer, breast and pancreatic cancers, prostate cancer, leukemia, non-Hodgkin lymphoma, liver, ovarian and esophageal cancers.
While discussing their findings, authors have ignored a main threat to the validity of their estimates of the exposure. Explain and discuss this error.
How can you have a character that is lost, but is the derived state of that trait?
Which of the following terms best describes the primary function of inflammatory cells in this pateint's alveolar air spaces.
In Leghorn chickens colored feathers are produced by a dominant allele, C; white feathers are produced by the recessive allele, c. The dominant allele, I, of another independent gene inhibits expression of color in birds with geno-types C/C or C/c.
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