Answer: Stratified
Explanation:
The stratified sampling can be defined as the sampling from the population which is partitioned or divided into many parts.
Here, the lady has divided her day into three parts morning, afternoon and evening.
This is a way which is used to take sample randomly from the population. therefore, Keri took 4 random sample from each part of the day.
This is a type of stratified sampling.
Answer:
is a process of photosynthesis
Answer:
Due to adaptation and evolution, the giraffes' neck has evolved to be extremely long. As we know, giraffe's tend to eat leaves from higher up branches in the trees. Since few mamals are able to reach up that high, they have more food.
To put it simply, a giraffe's neck has evolved to be so long due to their food choices.
The answer is; D
The angle at which the sun rays strike the earth at the equator is more or less 90 degrees while you move towards the poles, it much less than this. This means that the unit of sunlight per surface area received at the equator is higher than that at the poles. This is why the equator is always warmer than the poles.