In summer the impact of greater cloud cover depends on the height of the clouds. cooling would prevail with an increase in low cloud cover thereby providing feedback. warming would likely accompany an increase in high cloud cover, thereby providing the opposite feedback.

the real answer is b. scintillation counter

that is wrong, its not thymus.

phaneritic textures in which phaner means visible so phaneritic textures are standard of impertinent volcanic rocks. these rocks crystallized gradually under the surface of earth. when the magma cools deliberately then the ores have chance to develop and produce long crystals.