Is this correct?

Even though it is almost summer, we still have overcast skies and light rain.

The neighbors’ new dog is, small, quiet and shy.

The oil from Eucalyptus trees, which are native to Australia, is known for its medicinal properties.

Paloma did not make it to work for, her car broke down on the freeway.

Zora’s lemon tree produces too much fruit. She gives them away, therefore, to her friends and neighbors.

Training for the upcoming ten-mile marathon, Lizette includes more protein and complex carbohydrates in her diet.

Dwayne had planned to take the last flight out to Chicago. It was cancelled, however, because of bad weather.

The coordinating conjunctions that can be used to combine two complete sentences with a comma are “for, and, nor, because, yet, so

Even though it is almost summer, we still have overcast skies and light rain. yes

The neighbors’ new dog is, small, quiet and shy. no

The oil from Eucalyptus trees, which are native to Australia, is known for its medicinal properties. yes

Paloma did not make it to work for, her car broke down on the freeway. no

Zora’s lemon tree produces too much fruit. She gives them away, therefore, to her friends and neighbors. yes

Training for the upcoming ten-mile marathon, Lizette includes more protein and complex carbohydrates in her diet. yes

Dwayne had planned to take the last flight out to Chicago. It was cancelled, however, because of bad weather. yes

The coordinating conjunctions that can be used to combine two complete sentences with a comma are “for, and, nor, because, yet, so
incomplete?

The neighbors’ new dog is small, quiet, and shy.

Ruby emailed her instructor, a question and he replied immediately

If there is practice after school on Friday, I can drop the kids off, and pick them up

Is this sentence punctuated correctly.

"You mustn't allow your frustration to interfere with your motivation,"advised the admission counselor. " Tech support is available 24/7 to help with these issues," she then explained.

Even though it is almost summer we still have overcast skies and light rain.

Yes, the sentences are correct grammatically. However, there are a few improvements that can be made for clarity and sentence structure.

1. Even though it is almost summer, we still have overcast skies and light rain.
Explanation: This sentence is correctly structured and demonstrates a contrast between the current weather and the season.

2. The neighbors' new dog is small, quiet, and shy.
Explanation: This sentence is correctly structured and describes the neighbors' new dog using multiple adjectives.

3. The oil from Eucalyptus trees, which are native to Australia, is known for its medicinal properties.
Explanation: This sentence is correctly structured and provides additional information about Eucalyptus trees being native to Australia and their medicinal properties.

4. Paloma did not make it to work because her car broke down on the freeway.
Explanation: To improve clarity, the comma should be replaced with "because" to show the cause and effect relationship between Paloma not making it to work and her car breaking down.

5. Zora's lemon tree produces too much fruit; therefore, she gives it away to her friends and neighbors.
Explanation: To improve sentence structure, a semicolon should be used instead of a comma before "therefore" to connect related ideas. Additionally, the pronoun "them" should be used instead of "it" to refer to the fruits being given away.

6. Training for the upcoming ten-mile marathon, Lizette includes more protein and complex carbohydrates in her diet.
Explanation: This sentence is correctly structured and shows how Lizette is modifying her diet to prepare for the marathon.

7. Dwayne had planned to take the last flight out to Chicago; however, it was cancelled because of bad weather.
Explanation: To improve sentence structure, a semicolon should be used instead of a comma before "however" to connect related ideas. Additionally, the pronoun "it" should be used instead of repeating "the last flight" for clarity.

8. The coordinating conjunctions that can be used to combine two complete sentences with a comma are "for, and, nor, but, or, yet, so."
Explanation: This statement is correct. Coordinating conjunctions can be used to combine two complete sentences with a comma. The coordinating conjunctions to remember are: for, and, nor, but, or, yet, so (FANBOYS).