Correct answer is B.
Explanation:
In their nucleus cells contain DNA. The DNA has information about size, shape and function of each cell. When the cell reaches it's full size it stops growing and starts doing whatever it's function is. If more cells are needed then the cell replicates. This explanation excludes answers A and C.
Male and female sexual cells are used to conceive a baby. These cells combine to form a new type of cells. In the first few weeks all types of cells are created. Then the creation of new types of cells stops and existing cells multiply in order to achieve needed number of cells. This explanation excludes answer D.
When we compare an adult person and a baby we can see that, for example, an adult has bigger bones than a baby. This was result of increasing number of existing types of cells without creating any new type.
The sun rises due east and sets due west.
Answer:
Green building as explained below
Explanation:
It also referred to as a Sustainable building. It refers to the structural application of environmentally responsible and resource-efficient through a building's life cycle. Various new technologies are constantly being developed to complement current practices to develop a mush greener and eco-friendly use of technology that is build on human health and natural technology. The green building concept has originated in us due to the growing demands of energy. There are several green models and the main cause of them being social, economic and ecological principles. The state of Arizona is has developed technology that creates energy efficiency in building windows and door and with the help of grade insulating mechanism that keeps check of the heating system. The main goal is to create a renewable resource like green rods, and rain gardens which are both water and air efficient help to minimize toxic substance and indoor pollutants.
Answer: a layer in the earth's stratosphere at an altitude of about 6.2 miles (10 km) containing a high concentration of ozone, which absorbs most of the ultraviolet radiation reaching the earth from the sun.
Explanation:
I’m not 100% sure this is right but I am almost positive.
