Which term means a certain window of time in which a particular ability, such as language, must be learned in order for it to be learned at all

In a small, closed economy, national income (gdp) is $350 million for the current year. individuals have spent $100 million on the consumption of goods and services. they have paid a total of $60 million in taxes and the government has spent $75 million on goods and services this year. use this information and the national income identity to answer the questions. how much does the economy spend on investment?

What is an oasis? write a paragraph of at least 3 complete sentences describing the characteristics of this landform.

Which did the need for access to raw materials and markets lead to? a. improvements in transportation b. the industrial revolution c. an increase in immigration