Question

15
MULTIPLE CHOICE QUESTIONS
PART A:
Choose the correct answer to each question from the alternatives A, B, C or D. Write +
of your choice in the box provided.
QUESTION 1
isted below are some characteristics of surface areas for gas exchange. Which one of
ecessary for effective gas exchange?
B.
Soft
Thin
D.
Surrounded by ca
Moist​

Answer 1

Answer:

thin

Explanation:

so there is faster diffusion rate and also there will be short diffusion distance which therfore will lead to effective exchange:)