A buffer is a solution of weak acid and conjugate base or weak base and conjugate acid used to resist pH change with added solute. <span />
Answer:
Vascular plants are plants found on land that have lignified tissues for conducting water and minerals throughout the body of the plant. Non-vascular plants are plants mostly found in damp and moist areas and lack specialized vascular tissues. Vascular plants are also known as tracheophytes.
Explanation:
True
Explanation An atom's valence electrons are located in the atom's innermost energy level
true.