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Rom4ik [11]
2 years ago
6

What type of plant is thought to be the first plant?

Chemistry
2 answers:
Sergio [31]2 years ago
6 0
Angiosperms can produce flowers and fruits to aid in seed dispersal.
vladimir1956 [14]2 years ago
5 0

Answer:

Mosses

Explanation:

mosses are non-vascular plants, like  liverworts, that didn’t have deep roots and was the first plant plunged to earth.  

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Brass is stronger than steel<br> True or False
Ket [755]
False . Steel is stronger
8 0
2 years ago
What best explains the type of energy present in the vibrating atoms of a substance
luda_lava [24]
The type of energy present in the vibrating atoms of a substance is a thermal energy and it is a kinetic type of energy. It is associated with movement within the crystal lattice of substance. ... Eventually, it can lead to motion of the atoms which is a form of kinetic energy.
7 0
2 years ago
Cuántos electrones de Valencia tiene Ga
Zinaida [17]
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p1

Primero realizas la configuración electrónica que es la que te puse allá arriba.

Después miras el nivel en que termina, puede ser 1, 2, 3, 4 etc.

Entonces como el último número de la configuración electrónica es 4, entonces ese es el nivel

Y los electrones de el último nivel son los de Valencia

4s2, 4p1 sumas 2+1 que son los electrones que se encuentran en el último nivel.

por eso hay 3 electrones de valencia.
4 0
2 years ago
When the molecules of a gas hit each other do they normally stick or bounce off
Dahasolnce [82]
Since the molecules of a gas are constantly in motion, moving and hitting other gas molecules in all directions of the enclosed container, the molecules transfer a portion of energy through the interaction of other gas particles as they hit, but then bounce off.
8 0
2 years ago
Read 2 more answers
Your dad is working on creating a brick border for the lake in your backyard each brick has a mass of 100 g and a volume of 20 c
wel

Answer:

5000kg/m³

Explanation:

density=mass/volume

d=m/v

d=100/20

=5g/cm³

g/cm³*1000=kg/m³

5g/m³*1000=5000kg/m³

4 0
2 years ago
Read 2 more answers
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