1. mother to fetus 2. through exposure to the antigen (virus, toxins, or cancer cells).
Answer:
1. Sewage
2. diarrhea
3. atmosphere
4. 100 gallons of water
5. agricultural pollution
6. water cycle
7. water
Explanation:
The answer is nonvascular plants.
The plants that are similar to algae are
called nonvascular plants. They are the plants small plants with the absence of
vascular system. They do not have roots. They have small hair likes that insert
to substrate to keep the plants in place instead of roots. These are called
rhizoids.
I believe it's A, but I could be wrong. I apologize if I am so. I will do further research and get back to you
