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pychu [463]
3 years ago
14

Infer how oil pollution affects water mammals such as otters and seals

Computers and Technology
1 answer:
Snowcat [4.5K]3 years ago
4 0
It can pollute the whater which is the habit to many animals making it not safe fo be in the whater
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Determine whether or not the following pairs of predicates are unifiable. If they are, give the most-general unifier and show th
Evgen [1.6K]

Answer:

a) P(B,A,B), P(x,y,z)

=> P(B,A,B) , P(B,A,B}  

Hence, most general unifier = {x/B , y/A , z/B }.

b. P(x,x), Q(A,A)  

No mgu exists for this expression as any substitution will not make P(x,x), Q(A, A) equal as one function is of P and the other is of Q.

c. Older(Father(y),y), Older(Father(x),John)

Thus , mgu ={ y/x , x/John }.

d) Q(G(y,z),G(z,y)), Q(G(x,x),G(A,B))

=> Q(G(x,x),G(x,x)), Q(G(x,x),G(A,B))  

This is not unifiable as x cannot be bound for both A and B.

e) P(f(x), x, g(x)), P(f(y), A, z)    

=> P(f(A), A, g(A)), P(f(A), A, g(A))  

Thus , mgu = {x/y, z/y , y/A }.

Explanation:  

Unification: Any substitution that makes two expressions equal is called a unifier.  

a) P(B,A,B), P(x,y,z)  

Use { x/B}  

=> P(B,A,B) , P(B,y,z)  

Now use {y/A}  

=> P(B,A,B) , P(B,A,z)  

Now, use {z/B}  

=> P(B,A,B) , P(B,A,B}  

Hence, most general unifier = {x/B , y/A , z/B }  

b. P(x,x), Q(A,A)  

No mgu exists for this expression as any substitution will not make P(x,x), Q(A, A) equal as one function is of P and the other is of Q  

c. Older(Father(y),y), Older(Father(x),John)  

Use {y/x}  

=> Older(Father(x),x), Older(Father(x),John)  

Now use { x/John }  

=> Older(Father(John), John), Older(Father(John), John)  

Thus , mgu ={ y/x , x/John }  

d) Q(G(y,z),G(z,y)), Q(G(x,x),G(A,B))  

Use { y/x }  

=> Q(G(x,z),G(z,x)), Q(G(x,x),G(A,B))

Use {z/x}  

=> Q(G(x,x),G(x,x)), Q(G(x,x),G(A,B))  

This is not unifiable as x cannot be bound for both A and B  

e) P(f(x), x, g(x)), P(f(y), A, z)  

Use {x/y}  

=> P(f(y), y, g(y)), P(f(y), A, z)  

Now use {z/g(y)}  

P(f(y), y, g(y)), P(f(y), A, g(y))  

Now use {y/A}  

=> P(f(A), A, g(A)), P(f(A), A, g(A))  

Thus , mgu = {x/y, z/y , y/A }.

7 0
3 years ago
Meaning of mesh topology​
Pachacha [2.7K]

The meaning of mesh topology​ is that it is a type of networking that is made up of the fact that all its nodes do work together to share data amongst each other.

<h3>What is meant by mesh topology?</h3>

Mesh topology is a kind of networking that is said to be where the full nodes do act in a form of a cooperation  so that they can be able to share or distribute data among themselves.

Note that this topology was said to be first seen or developed in about an approximate of about 30+ years ago and it is one that is often used in military applications and now it is seen to be used in home automation, smart HVAC control, and others.

Hence, The meaning of mesh topology​ is that it is a type of networking that is made up of the fact that all its nodes do work together to share data amongst each other.

Learn more about mesh topology​ from

brainly.com/question/14879489

#SPJ1

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1 year ago
Big data are used to _____. Select 3 options.
jeka57 [31]

Answer:

AI, Interests, and marketing

Explanation:

Processing privacy policies is not a real function of a large data set.

8 0
3 years ago
The appropriate length for an e-mail is about half the amount of text that will fit on an 8 1/2' by 11' page.
lys-0071 [83]

Wrong..............................................

7 0
3 years ago
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The source Host A is going to send 5KB (5120byte) of data to the destination Host B over an established TCP connection, which ha
NISA [10]

Answer:

the answer is d have a nice day

Explanation: i got a 100

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2 years ago
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