If light is imagined as a flow of particles, the particles are called photons with each photon carrying a discrete packet of energy. ..
Exothermic reactions lose heat and are hot to the touch (Think explosion)
Endothermic reactions gain heat and are cold to the touch (Think of an instant ice pack where you pop it to make it cold)
<span>the definition: Behavioral adaptations are the things organisms do to survive. For example, bird calls and migration are behavioral adaptations. Adaptations are the result of evolution. Evolution is a change in a species over long periods of time. The Answer is D. Protective over young cubs</span>
HIV is not known by means to live very long in the exposure of the air we breathe. That is why HIV is mainly transmitted bc of unprotected sex.
