An advantage of a filter is it cleans the water better then the screen
A disadvantage is that you need to wash and sometimes fix the filter
Answer:
Explanation:
A scientific researcher performs scientific methods to answer any natural process. The researcher will follow the protocol of a scientific method which includes: observe the natural phenomenon, ask related questions, suggest a hypothesis, perform the experiment and suggest answers.
In the given question if the researcher has to study about the flu virus, the possible questions he would ask will be:
1. The life cycle of the flu virus.
2. Effect of the virus on the life of an organism.
3. The mechanism used by the virus to replicate and to infect any organism.
4. Molecular mechanism of a virus.
Answer: for me the best option is D.
Explanation: lets explain this.
Cellular respiration begins with a process that divides the glucose within the cells making it readily available as a source of energy. This process can occur without oxygen (anaerobic respiration) or in the presence of oxygen (aerobic respiration). Anaerobic respiration generates more excess waste (lactate) than aerobic . Besides, high levels of lactate build within the muscle cells. Excess lactate slows the cellular respiratory process and is experienced as a burning sensation in the muscles if exercise continues.
The energy source of the sperm for them to swim is the protein breakdown by mitochondria in the midpiece of the sperm.
Mitochondria are double membrane-bound organelles found in the cells. It is said to be the "powerhouse of the cell". They provide ATP as a source of chemical energy for the cells.
Answer: dandelion is consumed by bees, grasshoppers, and butterflies.