Also called Splenda, and sold in yellow packets, itâs made from a chemically tweaked version of sugar that isnât absorbed by the body. The sweetener is used in a bevy of products, such as soft drinks, cereals and baked goods. Pros: Because sucralose can withstand heat, you can use it for cooking and baking.
Geological timescale. Triassic period: 250â200 million years ago. Jurassic period: 200â145 million years ago. Cretaceous period: 145â65 million years ago. Dinosaurs roamed the planet for about 165 million years, during a time in the Earthâs history called the Mesozoic Era. It is difficult to imagine how long this was, until we compare it with ourselves: humans have lived on Earth for less than two million years. During the Mesozoic Era, the Earthâs landmasses changed dramatically, new seas were formed, and plants and animals evolved.
User: During which period did mammals first appear? a. Pleistocene b. Carboniferous c. Cretaceous d. JurassicWeegy: Mammals first appeared during Jurassic period. Expert answered|jin_jae_min|Points 408|User: Biomes on Earth have exhibited changes throughout history that have been caused by a variety of factors.