Give an example of a scientific investigation that would require both observations and experiments

ECB refers to: a. A genetically engineered plant that is resistant to insect pests b. Edible corn byproducts c. An insect pest that reduces corn yield d. European corn borer e. c and d 2.

How is plastic made?

Describe how three different organism - human, flatworms and fern obtain the oxygen they need for survival.

Which of the following processes is most likely to take place as a result of the influence of temperature on enzyme activity, and not because of enzyme denaturation? a. Preserving food by freezing. b.

While working in the field, you discover an outcrop of metamorphic rocks. what can you conclude from this observation?

What temperature is amylase activated?

In which kingdom are humans classified

Give two possible ways that negative human impact on the pH of Earth's oceans can be reduced.

The central vacuole stores water. What would happen to the size of the central vacuole if a plant is submerged in a high salt concentration? Explain using cell transport terminology.

Is the parent amoeba exist. yes or no, reason.