Anaphylaxis is <span>a severe systemic allergic reaction characterized by bronchoconstriction, hypotension, and shock.</span>
D is the best answer because c and b have nothing to do with mating and being in the same family doesn't matter
<span>The sun's heat supplies and is used in many earth processes such as life and temperature, maintaining balance.
1. Photosynthesis and sustain life
2. Climate and temperature
The one component in photosynthesis that can't be recycled but must be constantly available is </span>energy.
Light energy, mostly from sunlight,<span> is the main requirement for photosynthesis to occur. </span>
<span>Photosynthesis is a process wherein light energy is converted into chemical energy. </span>
<span>Chemical energy is generated to support the various activities of a plant or an organism.</span>
