Answer:
27
Explanation:
The number of protons in atom is the atomic number. For a neutral atom that has not lost or gained any electron, it is the same as the number of electrons.
The atomic number is used in perfect ordering of the periodic table and it is the basis of the periodic law.
Protons are positively charged subatomic particles that reside in the in the nucleus of an atom with the neutrons.
The answer to this question is D have a nice day
Answer:
The commercial application of ethylene gas are as follows:
The ethylene gas are important for the early ripening of fruits.
The elongation of shoot can be done by ethylene gas.
The flower stimulation and swelling of stem can be achieved by the use of ethylene gas.
The leaf abscission of ornamental plants can be done by the use of ethylene hormone.
Answer:
Osmosis is the movement of molecules from a region of lower concentration to a region of higher concentration through a semi-permeable membrane
WHILST
Diffusion is the movement of molecules from a region of higher concentration to a region of lower concentration until the molecules are evenly distributed
Answer: it's C
Explanation: At the same time, the Southern Hemisphere is tilted away from the sun and experiencing winter. The summer season begins in the Northern Hemisphere on June 20 or 21, known as the summer solstice, when the axis of rotation is tilted a full 23.5° toward the sun.
