A. It usually affects the digestive tract. is false. This is because although tuberculosis can affect it, most of the time it affects the lungs and respiratory system.
Hope that helped you.
Answer:
there is no picture or link
Explanation:
B. They are caused by mutations of the X chromosome
Answer:
Lava from a volcanic eruption hardens into bare rock. Primary succession begins with soil formation. The first stage of succession involves pioneer species. In primary succession, pioneer plants are those that can grow without soil, such as lichens.
Hope it helps
Please mark me as the brainliest
Thank you
