Answer:
Adenosine triphosphate (ATP) is a chemical compound cells use to store and release energy. An ATP molecule consists of adenine, the sugar ribose, and three phosphate groups.
Answer:
The specimen are placed in vacuum while examining the cells or living organisms. Also, the electron must penetrate inside of the cell and in such conditions, any living organism is not able to survive. Thus, this reason best explains the answer to why dead cells specimen must be used for Transmission electron microscopy.
Explanation:
Answer:
D. Hydropower can harm native aquatic populations.
Explanation:
- Hydropower is the power of water or hydrosphere and is the cheapest and simplest form of energy.
- The hydrosphere is a renewable source of energy and is thus non-polluting but most of the hydropower that is converted into electricity is harmful to the marine and aquatic life forms.
- As it disturbs their habitats and created chemical and physical change in the body of water. Such as depletion of oxygen and enrichment of nutrients.
The carbon cycle is affected by a variety of factors, and happens through different processes. The processes can be divided into two, which are biological processes and geological processes. The biological aspect covers the use and production of carbon by living organisms. The geological aspect covers physical processes such as volcanic eruptions, and weathering of rocks, which may result to release of carbon back to the atmosphere. However, both of these aspects can be affected by recurring events in Earth's history. One is the switching between glacial and interglacial periods, and the other one is the seasonal changes. Glacial periods can lead to lower temperatures and lower carbon levels in the atmosphere. In contrast to this, warmer interglacial periods result to higher carbon levels primarily due to an abundance of life. Seasonal changes have a similar effect that can be observed at a shorter time. Human activities such as burning of fossil fuels and deforestation may also bring changes to the carbon cycle.
The answer is b. False. Skeletal muscles are known to be the voluntary muscles which are attached to our bones by tendons. They also create the movements of the body parts which are related to each other. The brain is the one controlling our organs in our body.
