A nebula is an interstellar cloud of "Dust and Gas"
Answer:
Option B, 
Explanation:
Given-
The average surface area of one foot pad of an elephant is 
Weight of an Asian elephant is 
newton
As we know, pressure is equal to total weight divided by total area of the surface on which it is concentrated.
Thus, pressure on one foot pad of elephant is 
Hence, option B is correct answer
Answer:
nucleus
Explanation:
eukaryotic has a nucleus, prokaryotic does not
Answer:
1.embryophyta
2.moss is a green flowerless plant that lack roots
3.found in moist shady
4.
All plants are autotrophic.
Autotrophic means he doesn't need another living thing to live(for eating) but that he makes his own food (photosynthesis). (auto means itself).
Heterotrophic means he needs others to keep on living. Like animals. All animals need to eat and can't make their own food with only sunlight, CO2 and water. They need food, which may be plants or other animals. That depends on the animal.
