A natural disaster destroyed a group of old buildings that contained toxic materials like lead paint Toxic materials contaminated the
soil and water sources near the destroyed buildings. Additionally, trees in a small area near the buildings were destroyed. Some of
the trees were over 75 years old and provided places for birds to build nests
What type of natural disaster most likely caused these problems?
A. hurricane
B. tornado
C. flood
D. volcanic eruption

answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation:

sex cells are usually half's then they find another half and make a fertilize egg

potentially fatal issues such as heart attacks and strokes

explanation:

answer///alimentary canal/gastrointestinal tract.digestive (gi);