Which of the following has no acceleration?

a person running once a track at a constant speed

a car making a turn at a constant speed

a person running 100m straight across a field at a constant speed

a satellite orbiting at a constant speed

The bat and human are two very different species. Kevin is trying to explain to his family how similar humans and bats really are.

In your own words, explain why the direction along which the electromagnetic wave travels is not the same as the direction along which the changing electric field is applied.

In some genetically engineered corn plants, a Bt gene was added to a chromosome. The Bt gene specifies a protein called Bt that is lethal to certain flying insect pests that eat the corn plants.

How would a disease affecting the ability of bones to store calcium become a problem for the nervous system?

Alzheimer's and Parkinson's are both diseases affecting the central nervous system and they share some similar characteristics.

Are there more females or males in the world

cnidaria is a phylum consisting mostly of marine, aquatic animals. What types of organisms are included in this phylum?

Mitosis is defined as division of a (n) ?

Which of the following best describes anabolic reactions? Reactions which break down complex molecules into simpler ones and release energy Reactions which involve a transfer of electrons between two species Energy-storing reactions which link

A scientist is planning to carry out an experiment on the effect of heat on the function of a certain enzyme which would not be an appropriate first step