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Q: What are the positive and negative changes in the environment Before and today?
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What are some examples of negative effects of human-environment interaction?

The american southwest provides examples of positive and negative changes. Before the era of Swimming Pools, air conditioning, massive irrigation, and automobiles, this hot, dry region had few residents.


What is a negitive plus a positive?

Its a negative. Depends on how deep the negative was, before you added the positive.


Is the product of a negative and a positive number depend on which number is larger before you multiply them?

No. The product of a negative number and a positive number is always negative.


How do you divide a positive by a negative?

Do the division as normal and then put a negative sign before the answer.


When do you know when the integers are positive and negative?

If the number is zero, then it is neither positive nor negative.For all other integers: If there is a minus sign, "-", before the integer, then it is negative. If there is a plus sign, "+", before the integer or no sign at all, then it is positive.


How is an charge produced in a thunderstorm?

There is a negative and positive charge between the clouds or the sky and the ground. The positive charge is attracted to the negative. So positive begins to charge up before basically attacking the negative which is the ground.


Is tip negative or positive?

Usually positive, but not always. You have to check and be sure before you connect up.


How many negative pregnancy test results can you get before positive?

4


Does a decimal come before a negative?

Decimals, like integers, can be either positive or negative. -3/4 = -0.75


A compound that consists of positive and negative ions?

The positive ion and negative ion before they are ions they were neutral atom. Then when the metals loses electrons it's protons (which is positively charged) will become more then electrons (which is negatively charge), so it become positive ion, but where it loses it's electrons? The answer is that it gives it's useless electrons to nonmetals were it is useful there and then the non metal changes into negative ion due to having electrons more than protons.


What is the minimum of any numbers?

If they are all positive, then it is the smallest of the set of numbers. If any of them are negative, it is the most negative = the biggest number with a negative sign before it.


What determines which one of the terminal of a rheostat in positive when connected in a series?

Electron flow is from negative(-) to positive(+), the rheostat would have to be on the negative side for the device being controled, before the device, e.g. light bulb.AnswerIt doesn't matter. Rheostats don't have positive or negative terminals.