Answer:
Invertebrates are the organisms in which backbone or vertebral column is absent.
The three macroinvertebrate categories are annelids, mollusks and arthropods.
Annelids are the organisms having segmented body. They are found in moist places. Examples are leeches and earth worms.
Mollusks are the organisms which are enclosed in a calcium carbonate shell. Examples are snails and slugs.
arthropods are the invertebrates which have segmented body and jointed appendages. Examples are insects and crustaceans etc.
Antibiotics should be the answer
Answers are in bold.
1. Energy from the sun is transferred to Earth's surface. Some of that energy is then transferred to the air above the surface.
2. The closer a location is to the equator the more energy it receives from the sun. Therefore a location's air temperature is affected by its distance from the equator.
3. An effect may have more than one cause. These may be linked into a chain of causes and effects.
<em>I would appreciate brainliest, if not that's ok!</em>
<em />
Leaves are the only natural item listed.
Pesticides, smog, and disposable products are not natural.