Answers: 3
Biology, 22.06.2019 06:30
Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 8 options: the cold balloon expands and rises. the warm balloon shrinks and sinks. the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the warm balloon expands and rises. the cold balloon shrinks and sinks.
Answers: 3
Biology, 23.06.2019 02:00
Influenza (the flu) is caused by a virus that attacks the respiratory system. which type of gene is most likely to be widely expressed in the body of someone who contracts the influenza virus? a the gene that controls the production of stem cells b the gene that controls the production of skin cells c the gene that controls the production of red blood cells d the gene that controls the production of white blood cells
Answers: 2
Biology, 23.06.2019 03:00
If we use blank to build a roof of the house and the temperature inside the house were the main c if we use to build the roof of the house, then the temperature inside the house will remain cooler. if we use to build the walls and floors of the house then the temperature inside the house will remain cooler. if we use to bring electricity into the home then it will allow electricity to flow into the home at a faster rate . if we use to construct the latches on the windows and doors then the magnetism will keep the latches secure.
Answers: 3
Biology, 23.06.2019 07:40
Scientists have noted that at present the earth is closest to the sun in january and farthest from the sun in july. the reverse will be true in 13,000 years and theearth will then be closer to the sun in july than january. how does earth's current proximity to the sun affect the climate in the northern hemisphere? winters are cooler and summers warmer because of the closer proximity of the earth to the sun.winters are warmer and summers cooler because of the closer proximity of the earth to the sun.winters are shorter and summers longer because of the closer proximity of the earth to the sun.winters are longer and summers shorter because of the closer proximity of the earth to the sun
Answers: 3
What type of catalysts affect biochemical reactions?...
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