Answer and explanation
There are instances where taking any vitamin or mineral supplements will be unnecessary or even harmful.
Example
a) For children who are already drinking Fluoridated it will be unnecessary to give them Fluoride supplements
b) It is unnecessary to take supplements because you believe it can cure diseases. If you have a disease one should see a doctor
c) It can be harmful to take supplements that increase energy levels inthe body. It can lead to altered heart rhythm and eventually death
d)A doctor should be consulted before taking nutrient supplements such as Vitamin A. Most have a toxicity level and it is not necessary to take them unless there is deficiencies.
The right answer is True.
Thanks to several genetic manipulations, a bacterium has been transformed into a plant exclusively dedicated to the production of biofuel. The microorganism expelling the precious fatty acid out of the cell, this synthetic route circumvents the expensive step of extraction and purification.
The production of this fuel faces several problems. It must achieve sufficient production rates to meet the demand for biofuel while being competitive with oil.
B the 2nd answer, <span>A large region of interconnected ecosystems.</span>
Answer: the area occupied by a population
Explanation:
A population density can be define as the number of individuals of the population of a species living in per unit area over a particular time. Population density may vary depending upon the number of live births, deaths, number of immigrated and migrated members counted in concerned period of time.