What is an effector strain of bacteria

1 answer:

7 0

The effector strain of bacteria is that the bacteria would colonize on the teeth and help prevent the child from developing cavitie

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Could anyone help with number 9?

Alisiya [41]

The answer would be A

3 0

3 years ago

A parallel circuit has three branches. Each branch has a resistance of 37.5 ohms. The total current is 7.5 amps. What is the cur

Sophie [7]

Answer:

Current in each branch will be 2.5 A

Explanation:

We have given that a circuit has three branch each has a resistance of 37.5 ohm

We have also given that a total current of 7.5 A is flows through the circuit

As we know that in parallel circuit total current is the sum of current flowing through each branch

As the resistances of each branch is same so current will also be same

As there is 3 branches in circuit so current in each branch will be $\frac{7.5}{3}=2.5A$

4 0

4 years ago

What are the two ways that electrical current can travel while energizing devices and homes? Explain how the direction of travel

nexus9112 [7]

<span> In AC (alternating current) flow, like what comes out of your wall, the flow of electrons changes direction 60 times per second (50 times per second in Europe, China, etc). But in DC (direct current) flow, the average flow of electrons is in one direction only.
I hope it helped you</span>

5 0

3 years ago

An electric heater,rated 15 volts 40 watts fitted into a metal block supplies heat to the block of mass 1.5kg and specific heat

Ghella [55]

The temperature rises of in the block if the current flows for 10 minutes is, 34.78K.

To find the answer, we need to know about the power of the electric heater.

<h3>How to find the temperature rise of in the block if the current flows for 10 minutes?</h3>