Adult Development and Psychology
Urie Brofenbrenner
math
A total of 1200 students attend top view high school. The ratio of teachers to students is 1:30. How many teachers are there at the school?
science
A viaduct is being re-levelled by using a jackscrew with a pitch of 5mm. The mass of the top slab of the viaduct is 20 tonnes (20000kg) and its length is 40m. The lever arm used to turn the jackscrew is 60 cm long. Calculate the effort force to be applied to the end of the lev...
physics
for the first question, there is 1g of water per 1 cm cube therefore there is 1000 kg of water per 1 m cube that is your answer for the 2nd one, im not sure
science
Three distinct layers of different tissue cells form the walls of blood vessels. The outer most layer is connective tissue. The middle layer is smooth muscle. The inner wall is primarily composed of endothelial cells.
french
I'm not sure I understand what youre asking here because I dont see any underlined words?
french
revois m'attendra irons emmenerons passerons
science
To stop an elevator in free fall, brakes are installed between the walls of the elevator car and the walls of the shaft in which the car moves. In addition, springs with compression coils are installed on the floor, at the bottom of the shaft, in order to absorb the residual e...
biology
For each of the following listed below, explain how it enhances the plants ability to survive and reproduce in a terrestrial environment. B) Pollen C) Waxy cuticle
Chemistry
How could hard water decrease the efficiency of your kettle?
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