Answer: I think the unknown substance is water.
Explanation: mark me the brainly-est
Events in the dog's environment.
The secretion by the digestive glands in acknowledgment of stimuli correlated with the ingestion of food is called Psychic Secretion. such as the appearance and smell of food, the circumstances under which it is consumed is called Psychic Secretion.
Salivating to food in the mouth is reflexive, this involves no learning. However, dogs don't generally salivate at the perception of an empty bowl or the noise of footsteps. These unusual acknowledgments fascinated Pavlov, and hence he called the dogs as “psychic secretions”.
We are the smartest beings on earth (not true)
Answer:
Human Environmental Interactions can be defined as interactions between the human social system and (the “rest” of) the ecosystem. Human social systems and ecosystems are complex adaptive systems (Marten, 2001). ... Adaptive because they have feedback structures that promote survival in a constantly changing environment.
Explanation:
There are 3 types of human environment interaction:
The way people depend on the environment for food, water, timber, natural gas etc.
The way people adapt the environment to fulfill their own needs.
The way people modify the environment positively or negatively like drilling holes, building dams.
How does human environment interaction affect your life?
It can influence your diet, clothing, shelter and way of life. In turn, you can affect your environment. By using water, recycling or even riding a bus to school, you have an impact on the world around you. The relationship between human beings and the natural world is called human-environment interaction.
hope this helps you bro
