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.
<span>A.) vascular ....,,,,</span>
Answer:
I think its c Scientists cannot determine how it changes.
d). It increases over time.
An aldehyde is an organic compound containing a group with the structure −CHO, consisting of a carbonyl<span> center </span><span>with the carbon atom also bonded to </span>hydrogen<span> and to an R group</span>
