In some freshwater organisms there is a structure called a contractile vacuole that regulates water movement into and out of the cell. what explains the existence of the cv? a) the cv prevents the organism from drying out. b) the cv assists the organism in capturing prey. c) the cv the organism move through the water. d) the cv the organism maintain osmotic pressure.

Apackage of orgainc strwberries costs $1.50 while there in season and $2.25 when not in season what the percent increase

❤️ (geometry) does the construction demonstrate how to copy an angle correctly using technology a) yes; the distance between points a and f was used to create circle h b) yes; the distance between points f and g was used to create circle h c)no; the distance between points a and f was used to create circle h d) no; the distance between points f and g was used to create circle h

The half-life of a certain material is 0.002 second. approximately how much of a 14-gram sample will be left after 0.004 second? a. 12 grams b. 3.5 grams c. 0.06 gram d. 7 grams