One fourth means (one half) of (one half) .
So the 18 months must be two half-lifes.
The half-life of this particular isotope is 9 months.
Answer
Use Mitosis to divide and create daughter cells.
Explanations
Single-celled organisms use mitosis to reproduce. Both growth and reproduction in unicellular organisms are mutually inclusive. When the cell’s volume grows, the ratio of surface area to volume decreases creating challenges in acquisition of nutrients because there will be too much cytoplasm for a given amount of nuclear material , thus the cell divides by mitosis to reproduce daughter cells and the process begins again.
Answer: 1 is Health is a state of complete physical, mental, and social well-being and not merely the absence of disease or infirmity.”
2 is There are basically six components of health history,
Physical health. ...
Social health. ...
Environmental health. ...
Emotional health. ...
Spiritual health. ...
Intellectual/mental health.
3 is no that person is in good physical health but there eviromental health isn’t good.
4 is a change in a living body (as of a person or plant) that prevents it from functioning normally : sickness.
Explanation:
Answer:
The correct answer would be c) food molecules.
A vacuole is a membrane-bound cell organelle present usually in the center of the plant cell.
It contains a high amount of water as it plays important role in maintaining the turgor pressure of the cell.
In addition, it contains a high amount of ions (such as K⁺, Mg²⁺, Ca²⁺), food molecules (such as glucose, sucrose, fructose), organic acids (such as malic, tartaric, quinic) and waste material.
