answer quick! which range of ph values would an acidic solution have with a high concentration of h+ ions? a ph of 7 and 8 b ph between 0 and 14 c ph between 0 and 6 d ph between 8 and 14

Asnail, elodea (aquatic plant), or both were added to the tubes and they were stoppered. tubes were placed under a grow light for 24 hours and the results recorded. the test tubes were then covered for 24 hours to produce a dark environment and the results recorded. which statement best explains the change in test tube d from the light setup to the dark setup.

How does pregnancy begin? a) a placenta forms in the uterus b) a sperm reaches an egg in the fallopian tubec) the blastocyst differentiates into two cell types d) contractions begin in the uterine wallapex

What is the main fuel source for the work of the cell