Answer:
The control variable is the soldier.
Explanation:
The same soldier is used throughout the test
Water can take 8-9 days
rubbing alcohol can take less then 12 hours
similar fossils
most continents are like a puzzle pieces
Answer: The correct answer is
No, because NaCl is Ionic
Explanation:
NaCl can pass through the cell membrane because it is Ionic and separates into Ionic components Na+ Cl+.
Cell membrane are phospholipids bilayers and have hydrophobic tails and face inside of the cells . The fatty acids tails are non polar and only non polar substances can pass through it but salts is a polar molecules because it is an ion and cannot pass.
If is 67 because of the truck kbsisbe blue