c. telegraph came before the telephone obvi and the rest are not communication. telegraphs could be sent over seas
Answer:
They are complex behaviors that are automatic and unlearned and occur in all members of a species
Explanation:
In the suggest period between 200,000 and 12,000 years ago, humans were living a nomadic lifestyle. The humans of this period were hunter-gatherers, and they were constantly moving from one place to another in accordance to the food supply and climate conditions. Because of this constant movement and constant search for better hunting grounds and places where there's much bigger and more constant supply of fruits, vegetables, root plants, they managed to disperse in very big space and little by little to colonize the planet. In this period the cultivation of plants was still not taking place, and also the humans still hadn't managed to domesticate any wild animals, apart from the wolf which gave rise to the dog, but it was used for hunting, not as a food source.
P represents heating and Q represent cooling.
this is because when you start from a liquid and turn to a gas the particles move faster making them farther apart, causing a gas. the opposite happens when you go from a liquid to a solid. the partials move closer together causing a solid to form. :)
Anim na Madaling Paraan upang Matulungan ang Mga Tao sa Pilipinas
Tumulong sa pagbuo ng mga silid-aralan, aklatan at iba pang mahahalagang istraktura sa mga lugar na kanayunan. ...
Pondohan ang edukasyon ng isang bata. ...
Tulungan ang mga tao sa Pilipinas na makahanap ng mga pagkakataon sa negosyo at pangkabuhayan. ...
Tumulong sa pagbuo ng mga tahanan para sa mga pamilyang walang tirahan.
