Select the correct answer.

Which item is an example of trace evidence?

a

A.

footprints

OB. forged check

OC. dead body

D. glass shards

If you were in charge of producing an apparatus based on this reaction that would allow the user to survive for 10 minutes in an emergency, how many grams of ko2 would you need to include?

What kind of bond holds the nitroenous bases together

How do muscle cells form different types of tissues?

Which was the original source of atmospheric oxygen? Question 4 options: autotrophs cooling of Earth's crust formation of the oceans volcanoes

Based on genetic analysis of living primates calibrated by the fossil record, around when is it estimated that apes and old world monkeys diverged into separate lineages? a. 10 mya b. 25 mya c. 15 mya d. 5 mya

What two things get thrown out of a cinder cone volcano

Choose the FALSE statement about rocks. A. They are natural substances. B. They must form from solid materials. C. They can form above or below ground. D. They are made of one or more minerals.

Description and function of a phospholipid

English maths biology physics account

Hallie and Jamar built a prototype bridge for a science competition. According to competition guidelines, their final design must hold at least 2 kilograms and span a gap of 0.5 meters. They built a bridge that is 0.75 meters long.