1)Which sentence shows the correct verb mood usage?B) If we had another backpack, we were going to carry more food.2)Which sentence is written in conditional mood?C) Go turn off the sprinklers when you finish mowing the lawn.
Most things can't be explained or it hasn't been discovered yet. Science is all about asking questions and figuring out how things are the way they are.
The effect of geographic isolation is that the two populations are subjected to different selection (pressures) and geographic conditions. The conditions in the two areas, if different, will produce different alleles in that species and will be selected for, where genetic differences will gradually accumulate between the two different populations.
In time, enough genetic differences will occur so that the two populations will no longer interbreed. Then, by definition, they have become different species.
In a closed ecological system, any waste products produced by one species must be used by at least one other species. If the purpose is to maintain a life form, such as a mouse or a human, waste products such as carbon dioxide, feces and urine must eventually be converted into oxygen, food, and water.
Clean-catch specimen is the type of urine specimen that does not include the first and last urine in the sample.
A clean-catch urine specimen is a sample of pee. It is required if your doctor wishes to check your urine for bacteria that could be inflicting a urinary tract infection. A clean-catch specimen is a technique for obtaining urine from the skin that does not have a lot of bacteria in it.
To determine what sorts of bacteria (germs), if any, are present in your child's urine, a clean catch urine specimen is taken (pee). For your child to receive the required medical care, the test must be performed correctly. A sample of pee is a clean-catch urine specimen. When your doctor wishes to check your urine for germs that could be causing an infection in your urinary tract, it is necessary.
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