Answer:
Explanation:Most plants the manage to grow from bricks and or concrete are mostly weeds that do not need light to grow. They are 100% dependant on if they get any sun or not. If you put seeds under concrete they would not make it, if you put them in a crack in concrete they might have a chance it all depends on the light they get.
Answer:
the best one is to wash your hands. you can also not touch your face as much. this will help stop the spread of germs.
Answer:
The statement is true
Explanation:
Hematopoietic stem cells give rise to myeloid progenitor and lymphoid progenitor and these two progenitors give rise to many immune cells. Dendritic cells are produced by both the progenitors and macrophages are produced by myeloid progenitor.
Both macrophages and dendritic cells are phagocytes. In phagocytosis, the foreing particles are injected by these phagocytes and they are destryoyed by the action of digestive enzymes present in these phagocytic cells.
Macrophages are present in tissue and if they are present in blood they are called monocytes. Therefore the statement is true.
It may or may not turn acidic depending on the area or time of the year it is.