Which of the following characteristics would be found in a climax community that has undergone succession? A) Energy consumption is efficient.
B) Environmental fluctuations are common.
C) Environment is extremely harsh.
D)Majority of nutrients are lost.

the element that provides strength to the exoskeletons of clams and oysters is phosphorus.

this is so because calcium carbonate is the main component in the shells. calcium carbonate is strengthened by phosphorus.

explanation:

sand 60

clay 10

silt 30

sandy loam should be dominated by the sand. as the amount of sand increased, the amount of slit needed to anchor the plants' roots to the sand will also be increased. even though the amount is very little, 10% part of clay is still necessary for proper oxidation.

thinking it would be physical characteristics