Answer:
B an increase in the concentration of hydrogen peroxide.
Explanation:
1. Answer;
Light microscope (LM)
Explanation;
-A light microscope (LM) is an instrument that uses visible light and magnifying lenses to examine small objects not visible to the naked eye, or in finer detail than the naked eye allows.
-It allows attachment of the focus wheels and the stage to the microscope. A light source used in place of a mirror. Most microscopes do allow manual light adjustment via a wheel located near the base.
2. Answer;
Scanning electron microscope (SEM)
Explanation;
-A scanning electron microscope (SEM) scans a focused electron beam over a surface to create an image. The electrons in the beam interact with the sample, producing various signals that can be used to obtain information about the surface topography and composition.
-There are two main types of electron microscope; the transmission EM (TEM) and the scanning EM (SEM). The transmission electron microscope is used to view thin specimens (tissue sections, molecules, etc) through which electrons can pass generating a projection image.
Answer:
See below
Explanation:
A hypothesis theory and a scientific law are starkly different terms. A hypothesis is at a stage where it is tested in a way that either proves it right or wrong. In the case that it is proved right, it goes on further to be replicated by a several other groups of scientists. If the results/conclusions come out to be correct again, it is known as scientific theory - a more detailed explanation for some phenomenon. Further on, this theory will achieve the status of a scientific law when it has been studied in sufficient detail to give a unifying concept about the phenomenon.
Enzymes, to eat their nutrients and get energy from them.
Answer:
1. Dissolved oxygen (DO) test quantifies dissolved oxygen in the water.
Impact: required for the use of oxygen (aerobic respiration) decomposition
2. Ammonia test measures the level of ammonia.
Impact: leads to algal blooms
3. Carbon dioxide test quantifies carbon dioxide
.
Impact: Increased CO2 leads to decreased water pH
Decreased CO2 decreases rate of photosynthesis
Explanation:
- Dissolved oxygen is a basic water quality test that measures the amount of dissolved oxygen in the water. This test is universally conducted in all settings involving the use of water either for drinking or farming. Oxygen is an important component of cellular respiration. It is the terminal electron acceptor in the electron transport chain and is crucial for energy production to govern life processes.
- The level of algal growth is an indicator of the health of an aquatic ecosystem. Ammonia is a source of nitrates, a nitrogen source required by plants and algae for optimum growth and development. Increased levels of ammonia promote unchecked algal growth, ultimately leading to the formation of algal blooms.
- Carbon dioxide affects multiple aspects of aquatic life. Aquatic plants and algae require carbon dioxide for photosynthesis. Decreased or lower than optimum amounts of CO2 lead to decreased photosynthesis, ultimately causing plant death. Increased CO2 leads to the formation of excessive amounts of carbonic acid. Increased CO2 hinders normal gaseous exchange in aquatic animals and fish.
