Answer:
The Digestive System (Choice C)
Explanation:
The Digestive System is constructed and does it's job by turning food into energy and nutrients that the body needs to survive.
Answer:Social entrepreneurs are those who consider financial, ecological, and social metrics to evaluate their firm's performance
Explanation:
An entrepreneur is a person that is innovative which is ready to take risks to start up a new venture. There are different types of entrepreneur and they include:
- Small Business Entrepreneurship
-Scalable Startup Entrepreneurship
- Large Company Entrepreneurship and
- social Entrepreneurship.
Social entrepreneurs concentrate more on transforming the approaches of modern society for the good of the community and the environment. A good example of a social entrepreneur is Bill gates. Through his foundation, Bill and Melinda Gate foundation, it. provides a framework for businesses to find their own success in the pursuit of helping others.
Nitrogen Fixation is the part of the nitrogen cycle that is involved in moving nitrogen from the atmosphere into the soil.
<u>Explanation:</u>
- Nitrogen is said to be an essential one in the atmosphere but even though it exists as inactive in the atmosphere it is converted as usable nitrogen by the cycle.
- The nitrogen cycle is considered to be one of the important factors for the survival of the plants. Nitrogen is not used directly in photosynthesis by the plants whereas it is converted to nitrate by the help of nitrogen-fixing bacteria in the soil.
- Thus the nitrogen fixation process converts nitrogen into ammonium ions and then it is used by the plants.
Amphibian populations in the world are steadily declining. Some of the factors responsible for the decrease in population are:
a) habitat destruction, alteration, and fragmentation
b) over-exploitation
c) introduction of non-native species
d) climate change
e) UV-B radiation
f) disease
g) Deformities
h) Chemical contaminants
i) Synergisms
Answer: Equestrian: An Olympic sport in which competitors ride horses, male and female riders compete head top head against each other in eventing, dressage and show jumping disciplines.