Answers: 1
Biology, 21.06.2019 20:00
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
Answers: 2
Biology, 22.06.2019 09:30
Parthenogenesis is a type of reproduction that does not require a mate. it’s rarely seen in birds and higher vertebrates. parthenogenesis involves the formation of a zygote. but this zygote is formed without fertilization. in parthenogenesis, in the absence of a male gamete, the ovum develops directly in the zygote.
Answers: 1
Biology, 22.06.2019 12:00
The earth's oceans are made up of chlorine, and trace elements. a) carbon, oxygen b) oxygen, silicon c) hydrogen, oxygen d) nitrogen, oxygen
Answers: 2
Biology, 22.06.2019 22:30
Why can cancer in the lymph nodes (lymphoma) be particularly dangerous? a. the lymph node's ability to produce cancer-fighting lymphocytes would be compromised. b. the lymph node's ability to produce cancer-fighting lymph would be compromised. c. the lymph nodes produce lymph, which nourishes growing cancer cells. d. the lymph nodes produce chyle, which nourishes growing cancer cells.
Answers: 1
Scientist break down evolution in which two catergories...
Biology, 23.07.2019 04:50
Business, 23.07.2019 04:50
Biology, 23.07.2019 04:50
Biology, 23.07.2019 04:50
Mathematics, 23.07.2019 04:50
History, 23.07.2019 04:50
Physics, 23.07.2019 05:00
History, 23.07.2019 05:00
Mathematics, 23.07.2019 05:00
Social Studies, 23.07.2019 05:00
Computers and Technology, 23.07.2019 05:00