Biology, 16.10.2019 05:00 hannahponder
Calcium carbonate is a chemical compound found in rocks and seashells. its chemical formula is caco3. which of the following statements is true?
a. calcium carbonate has two atoms of carbon.
b. calcium carbonate has three atoms of oxygen.
c. calcium carbonate has three atoms of carbon dioxide.
d. calcium carbonate has two atoms of oxygen.
Answers: 2
Biology, 22.06.2019 09:00
Which are characteristics of flukes? check all that apply. a they are free living. b they are a type of flatworm. c they reproduce sexually. d they have eyespots. e they are segmented.
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Biology, 22.06.2019 15:30
Which of the following statements is correct in hour our immune system responds to a potential pathogen? a. the adapted immune system will call on the innate immune system to destroy the pathogen. b. b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c. the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. d. the t-cells in the adapted immune systems are the first to recognize the pathogen vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a. antigen, antibody b. antibody, antigen c. antibody, antibiotic d. antibiotic, antibody
Answers: 1
Biology, 22.06.2019 19:00
Which force diagram accurately represents a satellite in orbit around earth? image for option 1 image for option 2 image for option 3 image for option 4
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Calcium carbonate is a chemical compound found in rocks and seashells. its chemical formula is caco3...
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