Answer:
The growth of inter-regional trade in luxury goods was encouraged by innovations in previously existing transportation and commercial technologies, including the caravanserai, forms of credit, and the development of money economies as well as the use of the compass, the astrolabe and larger ship designs.
Explanation:
Caravanserais, large guest houses for travelling merchants and their caravans, were dispersed along the land routes of the Silk Roads. ... By offering such an intercultural environment, caravanserai were important sites for the exchange of material culture, languages and ideas.
The factors which helped to spread summer vacations are: C. advertising, unions, and art.
<h3>What is an advertisement?</h3>
An advertisement can be defined as a group of consumer promotions programs which is designed and developed with the sole intention of making the various goods or services that are being offered by a business firm to become known, popular and familiar to all of its customers and potential customers.
This ultimately implies that, consumer promotions programs such as online websites and advertising, can help a business firm in the following positive ways:
- To generate store traffic.
- To enhance brand loyalty.
- To facilitate and influence the final decision to buy an item.
- To increase awareness and encourage the use of a service such as vacations
In this context, we can infer and logically deduce that the factors which helped to spread summer vacations include advertising, unions, and art.
Read more on advertisements here: brainly.com/question/1658517
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Genes come in different varieties, called alleles. Somatic cells contain two alleles for every gene, with one allele provided by each parent of an organism. Often, it is impossible to determine which two alleles of a gene are present within an organism's chromosomes based solely on the outward appearance of that organism. However, an allele that is hidden, or not expressed by an organism, can still be passed on to that organism's offspring and expressed in a later generation.
