Often human change the landscape to suit our needs and we freely take from out environment we also leave waste and trash that is not natural or biodegradable. this harms wildlife. in many cases human have directly or indirectly caused the extinction if a species<span />
Preganglionic neurons of the sympathetic nervous system are located in the lateral gray horns of segments T1 to L2 of the spinal cord.
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Answer:
d. to produce the soil
Explanation:
pioneer species produce soil so other species less hardy can grow
Answer:
To eliminate alternative explanations for the results of an experiment.
Explanation:
The scientific experiments include all the procedure and observations that are observed during the experiments. The scientific experiments explain about the correct scientific information.
The particular hypothesis is tested by the scientific experiments. The experiments include controls and the variables. The variable that are used as hypothesis is not controlled and the results are matched directly. The other variables are controlled as this includes the other alternative explanation of the particular result.
Thus, the correct answer is option (C).