Answer:
a. visible
d. Gamma ray
Explanation:
Gamma rays is the radiations that arise by atomic decay. The molecules for electro magnet waves which are then converted into gamma rays. The energy that is created by molecules cannot be destroyed. It is absorbed by protons and then CO2 molecule become visible.
Answer:
The Soviet Union under Joseph Stalin and The People's Republic of China with Mao Zedong
Explanation:
It's on Britannica
Answer: Three main approaches for conducting research using concept maps as a tool emerged: relational, cluster, and word frequency. These approaches are included in the different phases of research process such as data collection, analysis, and presentation.
A permeable rock breaks down quicker than a rock that is not so permeable because there is less space for anything (i.e. water) to get in the not so permeable rock in order to widen the holes and ultimately break the rock. On the other hand, a permeable rock is full of holes and will break down because of the many holes available to widen.