Why did the rise of islam have such a negative impact on aksum?

1. when muslim arabs took control of the red sea and indian ocean trade, they outlawed christianity.
2. when muslim arabs took control of the red sea and indian ocean trade, they limited aksum trading.
3. christianity was the official religion of aksum, and they were not going to allow people to practice islam.

How did european immigrants of the late 1800s change american society

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a. a researcher uses the customs office’s passenger lists for ships bringing immigrants to the us between 1820-1845 to track the numbers of immigrants from certain ethnic groups.b. a researcher conducts a linguistic study of comments posted on a local public blog.c. a developmental psychologist videotapes interactions between groups of toddlers and their care givers to determine which intervention methods most effectively manage aggression.d. a researcher asks the director of a local free clinic about the number of patients in the last two years with newly diagnosed hiv/aids.

Nami conducts an investigation on plants. she places a grow light on a timer to give the plants different amounts of light to see if this would affect their growth. in this investigation, the amount of light is the .