Can you write me a persuasive essay about chemical and physical properties i swear i will mark you brainliest

Janelle made a hypothesis bout the uneven temperatures inside her house during winter. she believes that 50% of the ducts are blocked and she plans to investigate. if she wants to prove her hypothesis using scientific processes what should she do next?

The mass of the sun is 1.99×1030kg and its distance to the earth is 1.50×1011m. what is the gravitational force of the sun on the earth?

Acalorimeter uses the principle that thermal energy flows from hotter material to colder material until both reach the same