This is a type of transmission called contact transmission.
Contact transmission is the most common form of transmitting diseases and virus. Contact transmission any be direct or indirect transmission. Direct contact transmission occurs when there is a physical contact between an infected person and the susceptible person. Indirect transmission occurs when there is no direct human -to human contact. Contact occurs from a reservoir to contaminated surfaces or objects.
Answer:
Fossilized stromatolites resemble structures formed by bacterial communities that are found today in some warm, shallow, salty bays.
Explanation:
Stromatolites are laminated organo-sedimented calcareous structures formed by bacterias and other microorganisms, that are agglutinated due to diverse minerals such as calcium carbonate. They grow attached to a substrate and emerge vertically from it. Because of their rocky structure, stromatolites have the potential to persist as a fossil. Most fossilized cells were found in these rocks at the seashore. Fossil registers show that similar structured have been inhabiting earth since about <u>3.500 and 3.800 millions of years</u>, and they have maintained their evolutive line to the actuality. In the present, they can grow in many places in the world, and they can also be found in certain places with extreme conditions.
Stromatolites are the most ancient evidence of life on earth, being the first atmosphere oxygenators.
The kind of literature which is currently perhaps the most powerful genre in Pakistan and Bangladesh is postcolonial literature
Answer:
Number of protons plus the number of neutrons.
Explanation:
Most of an atom's mass is in its nucleus. The nucleus is made up of protons and neutrons.
South African people are vaccinated with Yellow fever. First, SA is strict in the implementation proof of vaccination in travelers coming in the country. The vaccination card must show vaccination at least ten days prior to travel. This is to prevent reintroduction of the disease to SA people. Second, In the list of Center for Disease Control, South Africa is not included in the countries with an endemic Yellow fever which means that the disease is wiped out if not controlled through vaccination.