Answer:
In conduction, heat transfer takes place between objects by direct contact. In convection, the heat transfer takes within the fluid. In radiation, heat transfer occurs through electromagnetic waves without involving particles. The heat transfer takes place due to the difference in temperature.
Answer:
C Atomic number
Explanation:
The question is typo it should be 19 is the____ of pottasium. The atomic number is the number on top
Answer:
The answer is B
Explanation:
Less air means less air pressure. At a certain point, there is very little air pressure to push against the outward pressure of the helium inside the balloon. It will then expand until the rubber breaks, and the balloon bursts
It is a weighted average of the atomic masses of the naturally occurring isotopes of the element.
The correct term to fill in the blank would be decrease. Phytic acid, tannins, and oxalates decrease the absorption of many minerals. Phytic acid reduce the absorption of a number of minerals like iron, zinc and calcium. Also, it would encourage mineral deficiencies. The same is also true for tannins and oxalates.