<span>(4) active transport
</span>Active transport is the movement of molecules across a cell membrane in the direction against their concentration gradient, i.e. moving from an area of lower concentration to an area of higher concentration.
Enzymes (Catalysts) lower the required activation energy, allowing the reaction to happen more quickly.
Answer:
D. Water
Explanation:
the covalent bonds of water are stronger than the ionic bonds in the salt molecules so they dissolve.
Answer:
Spirometry is a type of pulmonary function test (PFT), a noninvasive procedure that provides important information about how well the lungs are working. More specifically, it reveals how much air is moving through the lungs and how quickly as you breathe through a tube.
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