Which of the following objects would transfer heat by convection?

a. oxygen
b. metal spoon
c. piece of wood
d. ice cube

will give brainliest!

Drive down any three characteristic of modern periodic table

How many moles are in 7.2 x 10^23 carbon molecules? (*round to the nearest hundredth and include the unit "mol c" after your number) question 6 options:

How many lone pairs of electrons are on the central atom of no3- and what is the molecular shape? one, trigonal planar zero, trigonal pyramidal zero, trigonal planar one, tetrahedral one, trigonal pyramidal