14. The table shows the data collected on four substances that were tested with litmus
paper to determine if they were acids or
bases.
Which of the substances is an acid?
A. 1
B. 2
C. 3
D.4

Indica el nombre y la fucion de los vasos sanguineos que entran y salen de los riñones

Type the correct answer in the box. use numerals instead of words. fiona has a lovely flower bed in her yard. she wants to add a fence along one side of the flower bed. the fence material is sold in meters. fiona knows that her flower bed is 200 centimeters in length. how much fencing material does fiona need in meters? fiona needs meters of fencing material for her flower bed.

Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above