Hello there.
<span>Interactions between actin and myosin filaments of the sarcomere are responsible for
</span><span>(c) muscle contraction
</span>
Answer: the Earth's spheres interact with other planets in the universe
Explanation: the Earth has different layers and its atmosphere and then when it is in contact with the outer space it can rotate around other planets
A particular single-celled organism uses radiant energy to fix carbon as sugars. This organism generates ATP by breaking down sugars through a process that uses oxygen. This organism is aerobic autotroph.
Autotrophs produce their own food from the substances available in their surroundings using light through photosynthesis or chemo-synthesis.
