Answer:
correct answer is option A and B are correct.(an electron groups consist of bonded pairs of electrons and Lone-pair electrons )
Explanation:
An electron group is a group of electrons. An electron groups consist of bonded pairs of electrons and Lone-pair electrons . Electron can have single bond, double bond or they can have triple bond.
Therefore both option A and B are correct.
Answer:
20cm
It is one of the characteristics of a plane mirror that, the distance of the plane mirror from the object is equal to its distance from the image. Therefore, given distance between object and mirror = 10cm. Distance between mirror and image = 10cm. Thus, the distance between object and image = 10 + 10 = 20cm.
Explanation: :0
The formula your looking for is Vf = Vi + A (T)
Vf = Velocity Final
Vi = Velocity Initial
A = Acceleration
T = Time
Our Initial Velocity is 15m/s. That’s our starting point.
Acceleration is -3m/s. It’s negative because we’re slowing down
We know that the cyclist comes to a complete stop, which means the Final Velocity is 0
In order to solve this with the equation. We need three of the four variables. We just don’t know time. So our setup is -
0 = 15-3(T)
Then you solve
Prokaryotic cells lack a nucleus.<span> Organisms classified as prokaryotes include bacteria and archaea. </span>
<span>So we want to know how did the planets form in the Solar system. So the current most accepted explanation is accretion. First the Sun formed, and what has left was a disk made out of gas and dust which later formed the planets trough attractive gravitational force.</span>