They both release greenhouse gases, I think
Answer: certificate authority
Explanation: The user submits Identification data and certificate request to the registration authority (RA). The RA validates this information and sends the certificate request to the certificate Authority (CA)
Answer:
Cl2 + Sb → SbCl3
Cl2 + Sb → SbCl5
Cl2 + Sb → SbCl
Cl2 + Sb → SbCl2
Cl2 + Sb → SbCl3 + SbCl5
Explanation: Hope it will help
Predator because they are the one’s preying on the animals, the chances of the prey getting away is slim.
Answer:
a)
, b)
, c) 
Explanation:
a) The system have a simple armonic motion, whose position function is:

The velocity function is determined by deriving the position function in terms of time:

The acceleration function is found by deriving again:

Let assume that
. The following nonlinear system is built:



System can be reduced by divinding the second and third expressions by the first expression:


Now, the last expression is divided by the first one:

b) The mass of the block is:



c) The phase angle is:


The amplitude is:

