Answer:
An experiment that directly test the hypothesis.
Explanation:
Although there is quite a bit missing from Mary's scientific investigation, the thing that sticks out the most is the fact that Mary is missing an experiment. Mary's hypothesis states that people would fall asleep faster if their room color were to be painted blue. To prove that her hypothesis is true, Mary would need to conduct an experiment to see whether or not she was correct.
Answer:
you can prevent it by mulching, maintaining a healthy, perennial plant cover, planting a cover crop, or placing stones and woodchips. Soil erosion is displacement of the upper layer of soil. The effects of soil erosion go beyond the loss of fertile land. It has led to increased pollution and sedimentation in streams and rivers, clogging these waterways and causing declines in fish and other species. And degraded lands are also often less able to hold onto water, which can worsen flooding.
Answer:
Soil
Explanation:
There are many different types of bacteria found in soil that has antimicrobial activity in it.
The soil has many different varieties of bacteria and microorganisms that are capable of producing antibiotic.
These bacteria are extracted from the soil and antibiotic production is done in order to treat many disease.
Long time ago, people used to put soil on the wounds as it has antimicrobial activity which treats infection.
Answer:
If the pH of the water was too high or low, if the temperature was too hot or cold, or even the climate in which is provided to them inside of the tank can abiotically effect the population of the tank.
Explanation:
This is because of their natural abilities and capabilities. For reference: Many people like different temperatures whether they want to or not its a preference and if they were to change their location in which it has a new climate it would effect the way that they do things. Such as, a change in clothing.. But fish do not have clothes. Therefore it is unfortunate that some of their population does die naturally even in the wild do to this.
