What is the GDP per capita in Nicaragua?
$3,900
$5,900
$7,900
$9,000

Which mantle is under the crust the upper mantle or the lower mantle i think it's upper let me know if i'm right

True or false: (a) the strings of little red dots represent carbohydrates. (b) the model is called a bilayer because there are two main types of molecules present, lipids and proteins. (c) the many black lines represent amino acid tails. (d) this model shows membrane transport. (e) the blue ovals are hydrophobic. (f) the blue ovals represent phospholipid heads.

Which tool could you see a plant cell? a. a filter b. a microscope c. a microwave d. an electromagnet