1 air
2 water
3 food
4 temperature
5 sunlight
6 shelter
Answer:
AT and GC are DNA base pairing
Explanation:
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.
The venom of a black widow spider is toxic to the nervous system.
‘‘Vitamin D’’ is the answer
Hope it helps!