4. Look at the instructions shown. Which step would require the application of volume? * Steps to Build a Tomato Planter Step 1 Remove grass from area where the planter will be placed. Step 2 Dig out a rectangular hole to fill with gravel. Step 3 Fill the hole with gravel. Step 4 Assemble the planter on top of the gravel. Step 5 Paint the outside of the planter. Step 6 Fill the planter with dirt. Step 7 Plant the tomato plants. Step 4 Step 5 Step 1 O Step 3​