debbiemarie19
Asked:
December 2022
When does extinction occur among organisms occur? A. when their last member dies C. when the earth become hot B. when all organism migrate D. when their habitat has broken
debbiemarie19
Asked:
December 2022
Oxygen atom contains 6 valence electrons, to form negative ion it needs to gain 2 electrons, what is the symbol of oxygen ion? A. O B. O- C. O-2 D. O-3
debbiemarie19
Asked:
December 2022
All organisms get energy from food to perform different life processes. This is done in the cells by breaking done sugar molecules into chemical energy. Which of the following cell organelles is associated with the production of chemical energy? A. chloroplast B. mitochondrion C. endoplasmic reticulum D. nucleus
debbiemarie19
Asked:
December 2022
Why do elements within the same group have similar chemical properties? Because they have the same __________. A. number of valence electrons C. Electron configuration B. atomic radius D. atomic mass
debbiemarie19
Asked:
December 2022
Which word equation best summarized the process of photosynthesis? A. carbon dioxide + oxygen water + glucose B. carbon dioxide + water glucose + Oxygen C. glucose + oxygen carbon dioxide + water D. glucose + water carbon dioxide + oxygen
debbiemarie19
Asked:
December 2022
Abby wants to know if leaves are capable of making food during night time. How can Abby determine the experimental design she should do to get an accurate answer to her question? A. Put one potted plant in a very dark place over night and test for the presence of...
debbiemarie19
Asked:
December 2022
Temple consisted of a central shrine or room in an isle surrounded by rows of color. A. Roman Architecture B. Romanesque Architecture C. Greek Architecture D. Byzantine Architecture
debbiemarie19
Asked:
December 2022
Which of the following is NOT a factor for population sizes among organisms? A. when members die C. when members move out of an ecosystem B. increasing number of births D. when members eat their food
debbiemarie19
Asked:
December 2022
What would happen to people who have an open wound and whose blood did not clot naturally? A. Her heart rate decreased B. Her heart rate increased C. Nothing. Clotting is not important. D. Her heart function normall