Answer:
Option B
Explanation:
Options
a. the sky..
b. the same thing I see..
c. a bunch of little people looking down at me..
d. I have no idea
Solution -
Because of egocentrism, a child is unable to analyze and view a situation from the perspective of other person. This is the second stage of Piaget's theory of cognitive development known as preoperational stage which generally starts at the age of 2 and last till the child is of age 7.
According to Piaget, an egocentric child (beng unable to think of someone’s else perspective) believes that the other person will also see/feel/hear the same as he/she does him/herself.
Hence, option B is correct
Answer:
Should be D since what the helicase does is unwind the dna and seperate it into the 2 strands
Explanation:
They are called abrasion.
Answer:
Magnesium, calcium, phosphorous, sulfur these are essential nutrients for plants. These are required in trace quantity but are very important for plant life. Point A. will be correct answer.
Explanation:
As in B. starch n cellulose are composed of only carbon, oxygen and hydrogen.
As in C. These elements are not required on special occasion but are necessary throughout plant life.
As in D. C H N O is the primary component plants need but these secondary nutrients are equally necessary for growth n structure of plant.
<u><em>So answer A. Is the correct option.</em></u>
Calcium plays the most important role in structure formation of plants. Also act as messenger molecule in signaling. Deficiency of calcium caused wilting , weakened stem and ultimately death of plant.
Magnesium is the key element in chlorophyll molecule. It is necessary for chlorophyll formation.
Sulfur is another very important element in plant life, it is necessary for protein synthesis in plants.
Phosphorous plays an important role in process of cell devision , photosynthesis and respiration.
Potassium is very crucial in gaseous exchange ,it operates the opening and closing of stomata.