Answer: alpha
Explanation: Alpha particles are fast moving streams of positively charged particles that are shown to be Helium nuclei. They have a mass
number of 4 and an atomic number of 2 and a charge of +2. Alpha particles are represented as 4He2. When 238U92 becomes 234Th90, it emitted a helium nucleus 4He2. The equation for the decay is 238U92 ---> 234Th90 + 4He2.
Bacteria and plants both have cell wall and this is the main similarity !
in accurate all bacteria, cell wall may not be present !
Answer:
Planting bushes
preserving trees
packing down soil
Explanation:
Not 100% positive on my answers but hope this helps!
Protons: positive
neutrons: no charge
electrons: negative
