Answer;
The experiment would lack a control group
Explanation;
-An experiment deliberately imposes a treatment on a group of objects or subjects in the interest of observing the response.
-Experimental design involves taking time and effort to organize the experiment properly to ensure that the right type of data, and enough of it, is available to answer the questions of interest as clearly and efficiently as possible.
-A scientific control is an experiment or observation designed to minimize the effects of variables other than the independent variable. This increases the reliability of the results, often through a comparison between control measurements and the other measurements.
a. cement mixer
b. bulldozer
c. ditch digger
d. auger
Answer:
Bulldozer
Explanation:
Continental glaciers smooth and round expose rock surfaces in a way similar to the way a bulldozer flatten landscapes . pg 461 earth science
r-selected
indigenous
mammals
b. False
Answer:
false
Explanation:
took test
Living things respond to the environment
Living things reproduce
Living things grow and develop
Living things share a universal genetic code
Living things maintain homeostasis
Living things obtain and use materials and energy to grow, develop, and reproduce
Living things change/evolve over time
Answer:
A,C,D,E
Explanation: