Question

experiment: Dampen a thin piece of white bread with water and put it into a polythene
ag. Seal the bag tightly. Put the bag in a warm place such as a cupboard. After a few
ays examine the bread carefully. What do you see?
bserve the material that you see with a hand lens. Draw the appearance of the mass.
That do you think the white mass is? Where do you think it has come from?
​

Answer 1

Answer:

(a+b)−(a−b)=a+b−a+b=a−a+b+b=2b.

Answer 2

Answer:

Here is ur answer

Explanation:

$you \: see \: bread \: mould \: \\ (rhizopus) \: growing \: \: \\ on \: the \: bread \: and \: it \: is \: like \: a \: greyish \\ spong \: material \: \\ th \: white \: mass \: is \: the \: spores \: released \: from \: the \: sporangium$