Environmental science UE Past Papers Questions.

Describe the main types of biogeochemical cycles. How are they connected to the nutrients cycles?. How  do humans affect these cycles?

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UNSOLVED

Discuss the toxicity of lead , especially with respect to its neurological effects. Which sub-groups of population are particular risk from lead?

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UNSOLVED

Find the doubling time for the exponential growth model

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UNSOLVED

Garbage is produced in every home and industry ; and most of the garbage is dumped into the ground. Often, this creates a pollution problem. The cost of garbage collection and disposal is at an alarming rate. Local councils need to predict the amount of garbage that will placement in order to make financially feasible plans for the future. The data on garbage production in a particular  area is as follows:

Predic the amount of garbage that will be preduced weekly in the year 2005

1. 118.5
2. 122.6
3. 110.8
4. 120.2

Answer / Solution

UNSOLVED

A linear function is of the form

1. Simplifies modelling because all the measurements lie on a straight line
2. Describes unbounded decrease for m<0
3. Is always valid because there are no errors
4. Can be used without any assumptions

Answer / Solution

UNSOLVED