ASAP PLEASE HELP ME!! 15 POINTS
How would a change in the hydrosphere most likely affect the biosphere
where the sandpipers live?
Rising sea levels would submerge the plants poisoning them with salt.
Excess rains would wash away the dunes and the plants that live there
O Higher temperatures would dry out the plants causing the sands to shift
O Cooler winds would blow away the sands leaving the plant roots exposed.

Consider a double atwood machine constructed as follows: a mass 4m is suspended from a string that passes over a massless pulley on frictionless bearings. the other end of this string supports a second similar pulley, over which passes a second string supporting a mass of 3m at one end and m at the other. using two suitable generalized coordinates, set up the lagrangian and use the lagrange equations to find the acceleration of the mass 4m when the system is released. explain why the top pulley rotates even though it carries equal weights on each side.

What is the change in internal energy if 20 j of heat is released from a system and the system does 50 j of work on the surroundings? a. -70 j b. 30 j c. -30 j d. 70 j

Give an example of how both short term and long term memory are involved. explain procedural, semantic ,and episodic memory and then how each is involved in this