1 year ago

1 (

Chemistry

2 answers:

Annette [7]1 year ago

4 0

Answer:

b) Pine Tree

Pine trees need wind for fertilization to occur.

VashaNatasha [74]1 year ago

3 0

Answer:

Gymnosperm, So in reality its Pine Tree. ;):)

Explanation:

Gymnosperm Fertilization The female gametophyte contains several archegonia, where the egg cells originate and develop. Fertilization occurs when pollen grains (male gametophytes) are carried by the wind to the open end of an ovule, which contains the eggs, or female gametophyte.

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White phosphorus melts and then vaporizes at high temperatures. The gas effuses at a rate that is 0.404 times that of neon in th

Soloha48 [4]

White phosphorus melts and then vaporizes at high temperatures. The gas effuses at a rate that is 0.404 times that of neon in the same apparatus under the same conditions-There are 4 atoms of P in the molecule

Explanation:

Ar=30,97g/mol

$R_{Px$ / $R_Ne}$ = $\sqrt{Mr(Ne)/Mr(Px)}$ =0,404