<span>The gum is probably lodged in the right primary bronchus. The right primary bronchus is an airway directly connected to the right lung. Bronchi are primarily responsible for moving air into the lungs, so when Keri choked on the gum, the gum would have blocked the air passage way required to breathe.</span>
1.- b. Change in color.
It's change in color because the other can happen by via a physical change.
2.- d. A metal is added to an acid and hydrogen gas is formed.
A chemical change results in change of an object chemical structure being disrupted or altered.
The decreased carbon dioxide concentration inside the leaves and the increased leaf temperatures favour the wasteful process of photorespiration.
About 10% because I know about 90-95% of DNA is junk DNA(doesnt perform serious function)
The correct answer is C
the photoreceptor is represented by the rods and cones, the receptor neurone is the bipolar neurone in the retina, in the brain the multipolar neuron in the retina synapses with a neuron in the geniculate nucleus that sends impulses through the third cranial nerve