8. a farmer wants to start growing strawberries on her farm. she has found
out that strawberries grows best in soil with a ph value of approximately
6.5. explain how she can use knowledge of acids, alkalis, and
neutralisation to find out the ph value of her soil to make sure she gets the
best crop possible.

What’s a special glass that most beakers are made of

Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial

A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?