Group of people could have a very specific challenge having to do with the person or the task - need to watch the same person to see how they change; Ex: some type of physical or cognitive challenge and want to see their progression
Hope this helps
The gradual movement of the continents across the Earth’s surface throughout geological time.
Answer:didn’t put the number for how many blue cups were used
Explanation:
A sperm cell and an egg cell fuse to form a zygote.
