We can help in reducing the problem of waste disposal by these methods:
→ By separating biodegradable substances from non-biodegradable substances.
→ By reducing, reusing and recycling non-biodegradable substances.
Answer:
A
Explanation:
I'm quite sure its a, might be wrong.
Dear YoonMinNamJinVKook, this is vague and convoluted to so many levels. Where is the review paper?
Answer:
White dwarfs have an extremely small surface area to radiate this heat from, so they cool gradually, remaining hot for a long time.
Explanation:
As a white dwarf cools, its surface temperature decreases, the radiation which it emits reddens, and its luminosity decreases.
