Answer:
a cell membrane is a double layer of lipids and proteins that surrounds a cell
True.
I hope this helps! :)
Answer:
0.5
Explanation:
Marginal propensity to consume is the proportion of the increase in disposable income spent on consumption.
Marginal propensity to consume = change in consumption/ increase in disposable income
$500 / $1000 = 0.5
I hope my answer helps you
