Phemolphthalein changes colour.(i forgot from which to which) This is because calcium hydrroxide is basic.
Because some plants can be some type of medicines and we need those. Also some animals use it to keep them alive and if that plant becomes extinct so can the animal then ruin how our ecosytem runs.
By several tries and studies
Answer:
Growth is a physical change in ones body size that can be easily observed.
Development is the ability to do things complex, challenging, and difficult.
<span>C.The amount of light </span>