Most insects have small holes in the exoskeleton called spiracles, which open and close to regulate the air flow. The holes lead to the trachea. The correct answer is C, spiracles.
Answer:
Ionic bonds form when atoms gain or lose electrons, because electrons are negatively charged an atom that loses one or more electrons will become positively charged. Ionic bonding is the attraction between negatively and positively charged electrons. Hope this helps :)
Answer:
An organism that can provide itself with natural and nutritional substances from non-natural substances.
Example ↓
The potted plant in that window across the street.
Plankton.
Bacteria.
The correct answer is <span>oil spills.
Bioremeditation is best described as </span><span>a </span>process<span> used to </span>react with different sources, such as contaminated<span> media, </span>inclusive of<span> water, soil and subsurface </span>cloth<span>, through the </span>changing<span> environmental </span>conditions<span> to stimulate </span>growth<span> of microorganisms and degrade the </span>targeted pollutants, in lots of cases<span>, bioremediation is </span>much less highly-priced<span> and </span>greater<span> sustainable than </span>different<span> remediation </span>alternatives<span>. O</span>rganic remedy<span> is a </span>comparable method <span>used to </span>treat<span> wastes </span>consisting of<span> wastewater, </span>industrial<span> waste and </span>solid<span> waste.</span>