Answer:
Viruses are acellular.
Explanation:
Viruses do not have cells, so we can say that viruses are acellular organisms, the structural and functional unit of living things. This feature contradicts the Cell Theory, which says that all living things are formed by cells. Therefore, because they do not have cells, many claim that viruses are not living things. Viruses are only able to reproduce within a host cell. For this reason we say that they are obligate intracellular parasites.
If you use more than one independent variable at a time, and will observe a change, you will not know which variable contributed to a changed result.
Answer:
Getting fit, C, changes them in terms of self-esteem and confidence
Explanation:
Theres more to doing exercising than just getting a healthier body. It could also contribute to your positive body image.
The most important physical fitness for your and middle aged
adults is cardiorespiratory endurance as this measures the capability and
health of the heart, muscles and lungs in making sure that they are strong
enough and making the body work enough and to be fit, this is a component in
enhancing a maintaining a good health to an individual.
Answer:
A landform is a feature on the Earth's surface that is part of the terrain. Tectonic plate movement under the Earth can create landforms by pushing up mountains and hills. Erosion by water and wind can wear down land and create landforms like valleys and canyons.