Antibiotic resistance occurs naturally and it is use as medicines as well as misuse of antibiotics in humans ans animals is accelerating the process.
Nowadays infections are growing such as gonorrhea, tuberculosis, pneumonia, etc all are becoming hard to treat or fight with them because of less effective antibiotics.Inappropriate uses of antibiotics spread antibiotic resistance bacteria.
Excessive use of antibiotics or use for wrong reasons can cause bacteria to became resistant and multiply rapidly in human body or environment. When bacteria develop the ability to survive exposure of antibiotics that are design to kill them or stop their growth. Young children, cancer patient and over age people at great risk.
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Answer:
A non central theme in biology is The study of chemical reactions.
Explanation:
The five central themes of biology are structure and function of cells, interactions between organisms, homeostasis, reproduction and genetics, and evolution.
The leaf support should actually be water. if in hot and dry weather, the leaf loss so much water that will make the plant cells flaccid and wilt.
Answer:
Start with evaporation. Place a full cup of water in front of a sunny window. Use a marker to make a line at the beginning water level.
After evaporation we have condensation. When the water vapor reaches the sky it cools to form clouds.
Finally, a precipitation experiment. Again, fill a cup almost full with water.
Explanation:
Matter is conserved because atoms are conserved in physical and chemical processes. As complex as the water cycle is, water molecules are conserved and endlessly recycled in nature. Conservation of mass is a physical law that s never broken.
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Answer:
Neither A nor B is correct
Explanation:
Hydrologic cycle is the sequence of different conditions through which the water passes from oceans to clouds, precipitates as rains, comes to the rivers and finally reaches the ocean.
This first statement in the question said that water will end up in the river which is not true because water from the river ultimately ends in the oceans because all the rivers terminate in the oceans finally.
The second statement is also wrong because when water from one ocean vaporizes and becomes cloud, it can travel large distances as clouds in the effect of wind and thus may get precipitated in the form of rain in some other part of the world. So, it is not necessary that the water will end up in the same ocean.
