The Biosphere, is the layer of the planet Earth were life exists.
<span>The term long-term memory denotes a relatively permanent and limitless storage part of the memory system. Thus memory includes knowledge skills and experiences</span><span>
The human capacity for storing long-term memories is </span>essentially unlimited.
<span>Short-term memory on the other hand is less permanent and more limited in storage capacity.</span>
The basic reason why unripe fruits have defensive chemicals is that they need to protect the seeds that are not ready to germinate. On the other hand, the seeds of the ripe fruits are ready to germinate and so they need to get spread with the help of animals and birds and so there are no defensive chemicals. These seeds spread to different places and the soils help them to germinate under suitable conditions.
14 should be B if I can remember correctly, 15 is C
