Why did some nouns adopt this ending while others didn't?

Clarification 1: Skills to be mastered at this grade level are as follows: Form plurals -y to -ies. Use apostrophes to form contractions. Appropriately use ... “I'm no hero,” said the van's driver. “Anyone would have done what I did ... algae (plural noun) Algae are basic water plants without stems or leaves. Singular becomes plural so quickly, and you lose the ability to say "Oh, he ... All interactions are intended for educational and informational purposes only. characters or bytes referring to one separate item of information. (JP 1-0) datum (geodetic) — 1. A reference surface consisting of five quantities: the ... 7 days ago ... Plural souls · The alter ego, or life index · Relationships of similarity ... hero concerned in a given exploit and to specify details of ... – If the subject is plural (the colonists), it is not necessary to change the verb ... information about the main character of the story. What do we learn about ... Some information in an informational text may be presented as a problem ... Singular and Plural Possessive N o u n s................ 480. Verbs. Action ... Real-life heroes · Robots for kids · Seasonal · Space · Sports · STEM · Trains ... Do not sell/share my personal information. LEGO System A/S, DK-7190 Billund ... cms-assets/gsam-app/images/hero-thumbnail/evergreen. Sustainability ... Views and opinions expressed are for informational purposes only and do not ... Sep 17, 2020 ... Chase: We also lightly touched on the topic of cognitive axes, which is like axis but plural. ... hero function, they are on an axis with ...