Answer:
<h2>D is the correct answer please mark me brainliest </h2>
Answer:
The trachea, bronchi, and bronchioles are involved in conduction. Gas exchange takes place only in the lungs. Lung tissue consists mainly of tiny air sacs called alveoli, which is where gas exchange takes place between air in the alveoli and the blood in capillaries surrounding them.
<em>The botulinum toxin, a poison produced by the bacterium Clostridium botulinum (C. botulinum), is common in soil and exists in untreated water. It can survive in these environments as a resistant spore. Foodborne botulism is caused by consuming foods containing the botulinum toxin.</em>
Answer: answer B Mercury
Explanation: Mercury and Venus dont have a natural satellite