Question:- what is the net charge of the structure in the figure below?
A. 1-
B. 1+
C. 2+
D. 2-
Answer
there are 3 protons (+ve charge) and 2 electrons (-ve charges )
so net charge is positive one
Answer: The “leaf like” stalk that emerges is Sporophyte.
First one is a and second one is b
Heat radiation.
This is the form of heat transfer that doesn’t need a medium to transfer through.
That’s how heat from the sun gets to earth, even though empty space is very cold.
I believe the correct statement is that Water absorbs heat when it changes to vapor, helping to keep animals cool through perspiration. Water has a high heat of vaporization, the amount of energy needed to change one gram of a liquid substance to gas at constant temperature. In humans and other organisms, the evaporation of sweat, which is 90% water, cools the body to maintain a steady temperature.
