Answer:
In 1928, at St. Mary's Hospital, London, Alexander Fleming discovered penicillin. This discovery led to the introduction of antibiotics that greatly reduced the number of deaths from infection.
The discovery of penicillin was actually a mistake!
Fleming obtained an extract from the mold, naming its active agent penicillin. He determined that penicillin had an antibacterial effect on staphylococci and other gram-positive pathogens.
Explanation:
Explanation:
when natural selection is cartried out it leads to the species being the fittest inorder words it is called survival of the fittest inorder to promote evolution
Small intestine is to nutrient absorption as blood is to nutrient distribution.
Blood has several functions. One of the major functions is to transport nutrients to every cell in the body. Other functions include:
1. Respiration- delivers oxygen to the cells and removes carbon dioxide from them.
2. Waste removal - disposes of waste products and toxic materials which would otherwise harm the body if allowed to accumulate.
3. Immunity- helps protect the body from disease.
4. Cellular communication- transports hormones from glands to the target cells and organs.
5. Thermoregulation- blood serves to both warm and cool the body as it circulates.
A. Is the answer I hope this helps
The correct answer is Hot and Sunny
Brainliest please!