Hi! :)
The amount of uranium within nuclear fuel rods is enough to sustain a chain reaction but is less than the critical mass necessary for the reaction to become explosive.
Answer:
cell wall
Explanation:
plant cells have a cell wall and animals do not
Onion (Allium) and Banana (Musa) are both eukaryotes and both have cell walls.
The correct answer is water
Answer:
Tiny water plants- newt- perch- heron
