Inquizitive chapter 1 economics

Fill in the blanks using the following choices: resource,population,specialization,evolution,selection species diversity,the number and relative abundance of species present in a community,is affected by competition, which results in partitioning and

Which statement is true about parks and nature preserves?

Achange in any of the following factors will cause investment spending and aggregate demand to change excepta. the interest rate effect b. expected business conditionsc. real interest rate d. expected future returns created by new technology e. expected business taxes