• Wear safety goggles
• Hold the test tube at an angle. Point the test tube away from yourself and all other people. Heat the test tube over the bunsen burner gently from the top of the substance being heated, and always.
hope this helps x
The producers at the beginning of the Earth's food chain are plants.
Answer: Dogs are Biotic factors. They are usually domesticated and are house pets. Dogs are living creatures and need food and water to live. What is the abiotic factors of a dog? Abiotic factors are the nonliving parts of an organism’s habitat. These factors include sunlight, soil, temperature, oxygen, and water.
Explanation: Hope this helps :)
Answer:
Ecosystem, community, species, population
Explanation:
Answer:B
Explanation:
Its the extraction of energy from carbohydrates in the absence of oxygen.a metabolic process that produces chemical changes in organic substrates through the action of enzymes.
