Answer:
List the features of gas exchange surfaces in animals.
1)They are moist to prevent the cells from drying and to allow gases to dissolve;
2)They have a large surface area , so that a lot of gas can diffuse across at the same time;
3)They have a high concentration gradient - maintained by the movement of air & blood.
Answer:
true
Explanation:
any force can be added to make a stationary object move. but if it was balanced then it would just stay in position
if there is 100N of force going towards the object, and you are pushing the object with 100N force. It will not move.
Harweda cares for the bird and begins thinking about its comfort as well as his own.
Answer:
the answer to that question is
fungi
an echo when the same with us and we can use the form of the cardboard box of light and plural form of the cardboard box of light and plural form of the cardboard box of light and plural form of the cardboard box of light and plural form of the cardboard box of light and plural form of the cardboard box of light and plural form
