15. Dr. Labuschagne is explaining a contraceptive device which is made of plastic, shaped like a T and contains progesterone. It is inserted in the uterus and is left in place for 1 year. Dr. Labuschagne is describing an:

Svetlana and her mother are very similar. both have blonde hair, a love of scrapbooking, blue eyes, and a thin nose. which statement  most likely  describes svetlana’s traits? svetlana inherited her love of scrapbooking from her mother, but her blue eyes come from her environment.svetlana inherited her blue eyes from her mother, but her love of scrapbooking comes from her environment.svetlana inherited her thin nose from her mother, but her blonde hair comes from her environment.svetlana inherited her blonde hair from her mother, but her thin nose comes from her environment.

The illustration shown is an ovum, a female sex cell. a mutation in this cell may be passed to the woman’s offspring during a) birth. b) mitosis. c) dna replication. d) sexual reproduction

Scientific research about the nitrogen cycle and water quality is mostvaluable to human populations with: afew sources of electricity.b. few sources of fresh water.c. large coastal populations.d. large amounts of farmland.