Can someone tell me the full answers for this

The span of time between one new Moon and the next is called a lunar cycle, lunation, lunar month, or synodic month and on average lasts for 29.53059 days. This translates to 29 days, 12 hours, 44 minutes, and 3 seconds.

Explanation:

This means you should divide the bolded number by how many phases the question is asking. Since that number is 4, divide 29 by 4. This equals to about 7 and some decimal points that represent the hours, minutes, and seconds. Because the measurement of time that we are using is days, and we can conclude that's there is about 7 days in between, we know that there is about a week in between those moon phases.

d. the polar jet stream   lies between the polar easterlies and trade winds should be your answer

the factors that the economies of the muslim empires prosper were:

1- land trade routes-located between three continents  

2- sea trade routes

trade contributed to the spread of muslim empires, and with that islamic culture led to a growing feeling of internationalism resulted in the transfer of technology, science, and other cultural forms.