Answer:
an emerging infectious disease
Explanation:
According to the World Health Organization (WHO), an emerging infectious disease can be defined as a newly identified and previously unknown infection in a population that may lead to serious public health concerns at local and/or international level. Emerging infectious diseases usually are caused by pathogenic organisms (like viruses) already present in the environment that acquire the ability to infect a new host species as an adaptive response to changes in ecological conditions. Some examples of emerging infectious diseases include, among others, Ebola virus disease, Chikungunya virus disease, H1N1 Influenza virus disease, etc.
Answer:
Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. As the atrium contracts, blood flows from your right atrium into your right ventricle through the open tricuspid valve.
Explanation:
Answer: c
Explanation:
corals usually live in water temperatures of 68–90° F or 20–32° C.
Answer:
Select the one true statement.
Vacuoles store nutrients, water, and waste in animal cells.
Explanation:
Vacuoles are present in both plant and animal cells, it stores nutrients, water and waste.
Answer:
D. direct the building of different protein molecules
Explanation: