It is best to say that the protection to properties offered by sea walls along coas
a decreases the present and future risk to human properties
b. increases both the present and future risk to human properties
C. decreases the present but increases the future risk
d increases the present but decreases the future risk

i think the answer is b.

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.