The answer would be “B” because humans would need water, protection from radiation so we don’t melt or burn to death lol, and a gaseous atmosphere because we would need oxygen.
Answer:
False
Explanation:
All the lanthanides are not radioactive in nature. Just one of the lanthanides are radioactive.
- The lanthanides belong to the f-block on the periodic table
- Only Promethium in this group are radioactive in nature.
- Other elements in the lanthanide series might have radioactive isotopes.
Sonography is most likely because it has good resolution without radiation.
Answer:
Explanation:
Given
Halley's closest distance from sun is 
Greatest distance is 
Comet's speed at closest approach is 
As there is no external torque so angular momentum of comet about the sun is conserved
where 
This can be written as 
Therefore
<span>A pliable sheetlike structure acting as a boundary, lining, or partition in an organism.</span>
