Answer:
A pendulum clock is a mechanical device. It relies on a pendulum swinging at a steady pace, with energy to the pendulum provided by a spring. ... A quartz clock relies on the exactly repeating vibration of a thin sliver of quartz. This vibration creates an electrical current that controls the electronic display.
Explanation:
heres some photos
Answer:
1) abiotic synthesis of small organic molecules (monomers)
2) joining of monomers into polymers
3) packaging of these molecules into protobionts, droplets with membranes that maintained a distinct internal chemistry
4) origin of self-replicating molecules that eventually made inheritance possible
Explanation:
Plants absorb me from the soil through assimilation, I am eaten by animals the animals and plants die and decompose where I am released back into the soil, weathering and erosion cause me to release out of rocks, I then find my way into the ocean being carried by water, I then return to the soil through the water.
Answer:
Explanation:
An international team of scientists led by the Lomonosov Moscow State University group made a significant step in creating a new type of drug for treatment of autoimmune diseases, such as rheumatoid arthritis and Crohn's diseaase
Answer:
D.-
Explanation:
A control group is needed to carry out the experiment, that control group is the one that is not injected with anything. Ethanol and pesticide need to be injected into separated groups to document whether it is one or the other that is harmful
