Biology, 15.12.2020 20:40 isaiahst573
HELP PLS Danielle lives with her family on a farm. In school, she has been learning about the nitrogen cycle in science class. She knows that her father spread a nitrogen-based fertilizer on a patch of grass recently where the cows graze in the field. Why was it necessary to add a nitrogen-based fertilizer to the soil where there was a patch of grass?
a. because nitrogen can only be “fixed” by lightning
b. because there are no decomposers on the farm
c. because bacteria released all of the nitrogen into the air
d. because plants cannot use “free” nitrogen
Answers: 3
Biology, 22.06.2019 16:50
When is your breathing likely to speed up? a. when your white blood cells increase b. when your cells need more energy c. when your heart cells need more carbon dioxide d. when your blood cells have too much oxygen
Answers: 1
Biology, 22.06.2019 18:00
To test the responsiveness of the kidneys, scientists have designed an experiment tracking urine output of people during a normal day, while regulating the in-take of water by mouth. what would be an appropriate hypothesis for this experiment?
Answers: 3
HELP PLS Danielle lives with her family on a farm. In school, she has been learning about the nitrog...
Mathematics, 06.04.2021 08:10
Chemistry, 06.04.2021 08:10
Social Studies, 06.04.2021 08:10
Advanced Placement (AP), 06.04.2021 08:20
English, 06.04.2021 08:20
English, 06.04.2021 08:20
Mathematics, 06.04.2021 08:20
Mathematics, 06.04.2021 08:20
History, 06.04.2021 08:20
Mathematics, 06.04.2021 08:20
Mathematics, 06.04.2021 08:20