Which events take place in the light-dependent reactions of photosynthesis?
a)light energy is converted sugars; sugars are broken down for energy.
b)light energy is captured by plants; light energy is used to make sugar.
c)light energy is converted to chemical energy; chemical energy is used to make sugar.
d)light energy is captured by plants; light energy is converted to chemical energy.

What was dr. willem johan kolff’s first step in using the scientific process to invent the hemodialysis machine? he built the machine and tried it with various patients, collecting data about its effectiveness. when a patient’s kidneys failed, he wondered if it would be possible to perform kidney functions with an external machine. he researched and collected data about numerous patients who exhibited symptoms of kidney failure. he drew conclusions from studies of various symptoms of kidney failure, and drew a design for the ideal external blood-processing machine.

The cluster of developing cells from conception until birth is called an

How have high taxes on tobacco products impacted the number of people who use them? a. the number of tobacco users has increased. b. the number of tobacco users has decreased. c. the number of tobacco users has not changed. d. the number of adolescent tobacco users decreased, while the number of adult users increased