23.The information in paragraph 6 helps the reader understand that bioconcrete -
works best in areas affected by harsh weather
conditions
is effective in repairing water damage
has a maximum weight that it can support
is limited to use in certain parts of the world

How does the image distance (di) of a convex lens compare with the image distance of a concave lens? a. the image distance of the convex lens is positive, and that of the concave lens is negative. b. both are negative for a virtual image. c. both are positive for a virtual image d. the image distance of the convex lens is negative, and that of the concave lens is positive.

Spend time observing or thinking about events that involve matter and energy. which events can you explain? which events can’t you explain?

What is the stall speed at sea level of an airplane that weights 10000 lbs., has a wing area of 300ft^2, and a maximum lift coefficient of 1.4? what is the stall speed if flaps that double cl, max are applied?