None; sharks don't have bones, instead, they have strong cartilage, much like what our noses are made up of
The types are Blackwater, Graywater and Yellow water.
You can find two types of wastewater: household sewage and wastewater
Answer:
A product of photosynthesis and cellular respiration
Explanation:
The organism belongs to domain Eukarya since it is multicellular, but its under kingdom Plantae, beacause its makes it own food and plants do that by doing photosynthesis
Answer:
It is essentially a broth culture filtrate of the penicillium mould.
Explanation:
- Alexander Fleming invented penicillin an antibiotic in 1928. These have been rated as the most important scientific discovery, being among the first antibiotics to be effective against bacterial infection.
- Penicillin belongs to different families that are selective against a large variety of bacteria.
- In fact, this antibiotic was discovered by fleming and accident in which he left a platter containing staphylococci open and was contaminated by green mould. There was an area of inhibited bacterial growth around the mould from which he inferred that the mould produced a material that inhibited bacterial growth. This was found to be a penicillium mould through further study.
- I assume penicillin is the most significant discovery so far because it was the first antibiotic ever discovered against bacterial infection in the absence of any drug.
