I would believe the correct responses would be option 1,2,4.
Answer:
<em>expenditures for search engine advertising</em>
Explanation:
In the field of business, internet marketing has become a new and advances business practice. Search engine can be described as a method by which online advertisements are made The search advertising can be considered to be an alternative for the SEO and the SEM.
By paid advertisements, the advertisers can occur first in the search engine result page which might beneficial to their business.
<span>The correct option from the given options is: "Scientist have determined the composition of Earth's core by using radiometric dating to examine meteorites".
</span><span>To date materials the procedure of radiometric dating or
radioactive dating is used, for example, rocks or carbon, in which trace
radioactive impurities were specifically fused when they were framed. The
strategy looks at the abundance of a normally happening radioactive isotope
inside the material to the abundance of its decay items, which shape at a known
consistent rate of decay.</span>
A) proteins are made of amino acids ( if you want to describe it more you can talk about the central dogma, dna to mRNA then mRNA to amino acids and amino acids to proteins. and you can talk about the structures of dna, primary secondary tertiary quaternary). nucleic acids are made of nucleotides ( cytosine (C), thymine (T), adenine (A), guanine (G))
The post mortem interval of a body enclosed in a plastic bag could be best estimated by the insects found in the body, in that case forensic science need to listen to what those little creatures have to say, insects could tell if the body has been moved from the crime scene, how long it´s been in an specific place, and how long it´s been since death until found, every group of insects can tell something different, from worms, arachnids to flyes, each one of them has a time to get into the body, so it could tell you for how long it´s been dead.
