If your medulla oblongata becomes damaged, it can lead to respiratory failure, paralysis, or loss of sensation

**Answer:**

1. <--> A.

2. <--> C.

3. <--> D

4. <--> B.

explanation: i know my science!

**Answer:**

83dB

**Explanation:**

first we must convert decibels to intensity in

decibels:

we use the following equation for the conversion:

Where is the intensity corresponding to the 86 decibels, and It is the minimum intensity that the human ear perceives:

So replacing , and clearing for

Now we use the exponential of 10 because this will cancel the logarithm.

Since , we have:

And because instead of two firecrackers now is only one, **the intensity is reduced by half:**

And now returning to the decibel unit:

we want to find the decibel value corresponding to the new intensity

≈ 83dB

the sound level if only one is exploted is 83dB

Answer: The correct answer is c

Explanation: When heat radiates it is showing moisture and mixed ways they combine

**Answer:**

The mass is

**Explanation:**

From the question we are told that

The extension of the rod is

The area is

The density increase as follows

The equation

at

So

=>

So at ,

So

=>

Now