Answer:
Earth's upper atmosphere controls the radiation that escapes to space.
(please give brainliest)
<span>Thermal energy from the coffee is transferred to the mug.</span>
Answer:
Explanation:
I think it is: acetylcholine (neurotransmitter) - motor neuron - contract
second question: diffusion because of opening of ca2+ channels
<span> B. plutonic. An intrusive igneous rock is also known as plutonic</span> and has large crystals from slow-cooling magma. Types of intrusive rocks include gabbro, granite, dunite and diorite.
Hypotheses must be provable. If scientists cannot prove a "hypothesis" right or wrong, they need to change it to a legitimate hypothesis - something you can prove.
If it is proven wrong, they can change certain aspects of it to make a more specific experiment.
