A compound that has Carbon and Hydrogen
Answer:
The answer is C. The birth rate is higher than the death rate.
We can see in the graph that in Africa the birth rate is very high, it is expected that by the year 2050 in Africa there will be 2 billion people, which is more than 1000% of the people living in Africa today. This means that more people are born than those who die.
nation:
Answer: D is right
Explanation: It seems both waves have same wavelength.
Because speed = wavelength · frequency (v = λf) and
f = v/λ, so frequency is same. Because period T = 1/ frequency, also periods are same. Wave Y has higher amplidude and its energy is greater.
A biome is a large community of plants and animals that is in a area with a distinct reagion. There are 5 types of biomes worldwide. These are aquatic, desert,forest, grassland, and tundra. Hope this helps