Answer:
An ice pack uses friction and the chemicals inside make it mix to make it cold
Explanation:
The low-mass elements, hydrogen and helium, were produced in the hot, dense conditions of the birth of the universe itself. The birth, life, and death of a star is described in terms of nuclear reactions. The chemical elements that make up the matter we observe throughout the universe were created in these reactions.
Answer:
1 (348) (D2) = 273 (2.05) (0.805) D2= 1.29 g/L
Explanation:
Goods are objects that fulfill peoples needs and wants.
Answer:
direct effect
Increasing the pressure increases the boiling point and decreasing the pressure decreases the boiling point
