Why are gamma ray observatories difficult to construct on Earth's surface?

Amedication order for 125 micrograms of digoxin in 100 mil liters of normal saline is prescribed to be delivered over 1 hour. you have two 1- milliter ampules containing 599? micrograms. how many milliliter of digoxin injection will be needed?

Astudent drew the following flowchart to show the movement of nutrients. soil → roots → plants →? where does nitrogen go next? a. directly into nearby animals as nutrition b. directly into aquifers through condensation c. directly into the air through evaporation d. directly into nearby plants during fixation

Complete the statements to identify the first two steps of meiosis i. (1 ) the first and longest step of meiosis i is called i. (2)the second step of meiosis i is called i.