A metal rod is placed so that it connects a heat source at 50°C and a heat sink at 20°C. During time, t, an amount of heat, Q. is transferred from the source to the sink. If the
metal rod is replaced by another rod made of the same material, but of twice the length, how much heat will be transferred during the same amount of time, t?
A.1/2Q
B.4Q
C.1/4Q
D.2Q

Fitness is the ability to perform only very light levels of physical activity.

Because its reliable.   there is no pollution  the chances of a radiation leak is low

Perhaps seek some professional ? it isn't very asking some children who are just trying to find out answers to homework.also, it seems professional would actually be good to you. obviously it isn't going to magically fix your depression, but it'll do something. drugs, smoking weed, it won't do much, especially if your husband is against it. if you do it he'll dislike it. but talk to him, try and get him to listen to you, and figure everything out together, okay? there's a website- maybe it can offer some ?