Answer:
Weak H-bonds between partial (+) charge of H and partial (-) charge from the unpaired electron of N or O.
Explanation:
They use tools to help take precise measurements, carry out experiments, and make observations.
A gland that makes substances such as sweat, tears, saliva, milk, and digestive juices, and releases them through a duct or opening to a body surface is known as exocrine glands.
- keystone species is the correct answer.
<u>keystone species</u> which keeps the number of other animal population in
control and low in the entire ecosystem. They play an important role
through this process and helps the food chain effectively.
dominant species - most common species; found often in the ecosystem.
invasive species - which fights for itself survival and can cause harm to
ecosystem. non-native to an ecosystem
Explanation:
Producers:these are the people that make and manufacture goods and services
Consumers:we are the consumers,we are also the ones
who consume goods and services