Go Math Science

by Dr. Osama M. Khaled — published Jun 25, 2025 — last modified Jul 08, 2025 11:11 AM Located in Mathematics / … / Learning Numbers / Identify numbers from 1 to 20 in the stories

by Dr. Osama M. Khaled — published Sep 17, 2025 — last modified Nov 09, 2025 08:55 PM Located in Computing / … / Amazon Web Services (AWS) / AWS Certified AI Practitioner Practice Exam

by Dr. Osama M. Khaled — published Nov 10, 2024 — last modified Jul 06, 2025 11:23 PM Located in Computing / … / Amazon Web Services (AWS) / AWS architecture practice exam 1

by Dr. Osama M. Khaled — published Nov 10, 2024 — last modified Jul 06, 2025 11:23 PM Located in Computing / … / Amazon Web Services (AWS) / AWS architecture practice exam 1

by Dr. Osama M. Khaled — published Apr 21, 2022 — last modified Nov 09, 2025 10:33 AM

If there were no chemical changes, chemistry as such would not exist

Located in Chemistry

by Dr. Osama M. Khaled — published May 31, 2022 — last modified May 28, 2024 12:41 PM

Chemistry, like all sciences, is quantitative. It deals with quantities, things that have amounts and units.

Located in Chemistry

by Dr. Osama M. Khaled — published Jun 19, 2022 — last modified Sep 12, 2025 02:02 AM

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