Answer:
B. tinkering, presenting, testing
Explanation:
In technological designs, some actions that are part of a system of methodical tests are grouped as technological process. Technological process is defined as the ordered procedure or steps to be followed in order to successfully accomplish a task (e.g project).
The project must have been created and refined i.e tinkered to ensure it gives an expected result or outcome i.e the project should give a solution to the problem that it was designed for. Which would undergo presentation and testing before it can be approved.
Answer: Hubble's Law
Explanation: Hubble's law that states that the farther away a galaxy is, the faster it is moving away from us
Answer:
Beta minus decay
Explanation:
Beta decay is due to a weak nuclear interaction, it takes place in the atomic nucleus and occurs when a neutron is converted to a proton, or a proton into a neutron. When a neutron is converted to a proton an electron and an electronic antineutrino are emitted from the nucleus, this is called beta minus decay.
Answer:
Maximum charge will be 
Explanation:
We have given force ion the moving charge 
Maximum speed of the moving charge v = 30 m /sec
Magnetic field 
We have to fond the charge
Force on moving charge is given by
So 
Maximum charge will be
