Willow Saplin
1. In the 17th century, Jan van Helmont performed an
experiment to determine how much of the mass gained by a
plant came from soil. He grew a willow tree for five years,
weighing the soil before and after. The soil lost 0.06 kg of
mass, while the tree gained 74.53 kg. What inputs needed by
plants were not accounted for in this experiment?
Pls hurry

A17-year-old primigravida is admitted in early labor. her cervix is 2 to 3 cm dilated and 100% effaced. the fetus is cephalic, and the presenting part is at –1 station. her membranes are intact. the patient is holding her boyfriend's hand tightly and breathing rapidly with each contraction. she tells the nurse in a shaky voice, "i'm so nervous. i've never been in a hospital before. i don't know anything about labor or if i can do this." what is an appropriate nursing diagnosis for this patient?

Efficiency is the percent of work put into a machine by the user (input work) that becomes work done by the machine (output work)

Iwill make you brainliest pleeze answer this fast i have to turn it in really soon brainliest promise easy question 6th grade ! a weather map shows a high pressure system with circles around it. what does this mean? a) an occluded front b) areas of equal altitude c) areas of equal pressure d) a stationary front