Isulat ang TAMA kung ang pangungusap ay nagsasaad ng katotohanan MALI naman ang Isulat kung ang pangungusap ay walang katotohananan.
6. Viva Laguna ang dating katawagan sa Laguna.
7. Ang Morong ay bahagi ngayon ng Quezon
8. CALABARZON ang rehiyon na kinabibilangan ng mga lalawigang Quezon, Laguna,
Zamboango. Rizal at Batangas
9. Ang lalawigan ng Rizal ay hango sa pangalan ng pambansang bayani ng ating
bansa na nagmula sa Laguna
10. Kung ikaw ay nakatira sa Cainta, Rizal. ikaw ay mamamayan na nabibilang so
rehiyon ng CALABARZON.
1. kumakatawan sa lalawigan
12. simple lamang at walang dekorasyon na hindi naman angkop sa lalawigan:
13. hindi mailalagay sa simbolo ang lahat ng tungkol sa lalawigan maliban sa
pinakamahologong katangian nito: at
14. dapat na madaling maisaulo at maiguhit ng mga tao sa lalawigan​

a) trade was one of the most effective ways.

the columbian exchange, also known as the columbian interchange, named for christopher columbus, was the widespread transfer of plants, animals, culture, human populations, technology, and ideas between the americas, west africa, and the old world in the 15th and 16th centuries, related to european colonization and trade following christopher columbus's 1492 voyage. invasive species, including communicable diseases, were a byproduct of the exchange. the changes in agriculture significantly altered and changed global populations. the most significant immediate impact of the columbian exchange was the cultural exchanges and the transfer of people between continents.

the new contact between the global population circulated a wide variety of crops and livestock, which supported increases in population in both hemispheres, although diseases initially caused precipitous declines in the numbers of indigenous peoples of the americas. traders returned to europe with maize, potatoes, and tomatoes, which became very important crops in europe by the 18th century.

the term was first used in 1972 by american historian alfred w. crosby in his environmental history book the columbian exchange. it was rapidly adopted by other historians and journalists and has become widely known.

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