Answer: Dogs are important to many jobs, and have many uses.
Explanation:
I don't really know how to explain
Answer:
It is critical from the public's perspective that there is confidence in the claimed purity of any particular item made from precious metals. This confidence is provided by an 'assay' (test and assess) of the precious metal content of that item. It is impossible to tell the precious metal content of any item simply by looking at it. Precious metals such as old, silver, and platinum are too soft to use alone for making jewellery, cutlery and other goods. Quite properly they must be alloyed with base metals (which happen to be cheap) for manufacturing. The assay protects the consumer by ensuring sure that not too much base metal was used. It also safeguards responsible manufacturers by providing an independent assessment of quality and content that in which the public has confidence.
u
Answer:
C
Explanation:
"The indirect object of a verb receives the direct object. In effect, the action moves from the subject, through the verb, to the direct object and then the indirect object."
Here's some examples:
Sue passed <u>Ann</u> the ball.
The teacher gave <u>the class</u> some homework.
I read <u>her</u> the letter.
John bought <u>Mary</u> a ring.
John brought <u>Mary</u> some flowers.
Source: https://www.englishclub.com/grammar/sentence/indirect-object.htm
Answer: No change is needed
Explanation: This is because the first one would make it seem like you can either have sand or water when you need both. The second one contradicts earlier when it says that you need the sand making it seem you don't later on. The third one sounds like it is saying you either need all the materials or time when you need all of these things. So the last one is correct. This sentence already makes sense
