Answer: Option B.
Explanation:
The first experiment of the passage shows that treatment with TGFBR1 and TGFBR2 antagonists led to lower levels of epithelial cell production. For this conclusion to be strongly valid, we want to show a positive correlation between TGFBR activity and epithelial proliferation.
Answer:
It's like a transporter or a Post Office, sending stuff out
Explanation:
G o o g l e
and science class
A flow of exhaust gasses from a jet engine
The Gulf acts as an inverted estuary with salinity greater than the Arabian Sea e.g. salinity values exceeding 40 ppt<span> (parts per thousand) around the island of Bahrain, and the coasts of Qatar and the UAE [4]; [3] ; [2].</span>
i believe the answer u might be looking for is number 3. plants breathe carbon dioxide, so an increase in plant life could help aid world hunger.
